People depend on grass crops for food, but new research raises concerns that if climate changes too fast, grasses won’t adapt fast enough to keep pace.
Scientists show how humans can improve poor people’s lives by reversing practices that destroy the environment and fuel climate change.
New York City can expect nine-foot floods, as intense as the one produced by 2012’s Superstorm Sandy, at least three times more frequently over the next century—and possibly as much as 17 times more frequently, say researchers.
The pre-industrial atmosphere contained more particles, and so brighter clouds, than we previously thought. This is the latest finding of the CLOUD experiment, a collaboration between around 80 scientists at the CERN particle physics lab near Geneva.
New study finds that man-made global warming is the root cause of a relentless increase in forest fires in the US.
Ever since the 1973 oil embargo, U.S. energy policy has sought to replace petroleum-based transportation fuels with alternatives. One prominent option is using biofuels, such as ethanol in place of gasoline and biodiesel instead of ordinary diesel.
In this presidential election year we have heard much about some issues, such as immigration and trade, and less about others.
The unprecedented West Coast toxic algal bloom of 2015 appears to be linked to the unusually warm ocean conditions—nicknamed “the blob”—in the winter and spring of that year.
Hurricane Matthew has slammed into the Florida coast after hammering Haiti. Close to 2 million people were asked to evacuate to escape its winds and rain.
The far-reaching Paris Agreement on tackling climate change is close to taking effect − but how just how effective it may prove is far from clear.
New study shows that the speed of climate change is now much too great for grassland species of vital food crops to adapt and survive.
Just as people pump greenhouse gases into the atmosphere by burning fossil fuels, the land also absorbs some of those emissions.
Spring arrives and the warming weather encourages the plants in our gardens and parks to burst into life, commencing their annual reproductive cycle.
As the country pushes ahead with renewable energy goals, the challenges facing the grid are substantial, but not insurmountable, according to energy experts.
2016 continues to be a momentous year for Australia’s climate, on track to be the new hottest year on record.
Senior military figures in the US warn of national and international security threats posed by the impacts of climate change.
The planet could pass the critical 1.5°C global temperature threshold in a decade—and is already two-thirds of the way to hit that warming limit, climate scientists warned on Thursday.
New scientific studies address lack of awareness of the adverse economic, social and biodiversity effects that climate change is already having.
With the impacts of climate change threatening food supply as population grows, China is buying land on other continents to grow more crops.
New research confirms that increased greenhouse gas levels − rather than solar radiation impacts − are the key factor in global climate change.
Each kilo (about 2 pounds, 3 ounces) of homegrown veggies can cut greenhouse gas emissions by two kilograms, research shows.
Earlier this summer, I found myself in the middle of a lively debate because of my work on climate change and the ethics of having children.
Energy experts say global investment patterns show a spectacular shift, with renewables on the rise and support for fossil fuels in sharp decline.
New analysis shows the cost of energy from renewables is already lower on average than from fossil fuels, and will soon be even cheaper.
Claims that the “the science isn’t settled” with regard to climate change are symptomatic of a large body of ignorance about how science works.
The Aliso Canyon leak in California earlier this year focused public attention on methane emissions from the oil and gas industry.
Six years ago, Phoenix lay burning in the sun one day. It was 110 degrees Fahrenheit and I was the only person foolish enough to be out walking instead of moving by air-conditioned car. Arriving hot and parched at a bookstore, I opened the doors to be greeted by a blast of arctic air.
As global warming cuts crop yields, trade liberalisation in agricultural commodities will be needed to avoid food shortages and economic hardships.
Trees are dying across Yosemite and Yellowstone national parks. Glaciers are melting in Glacier Bay National Park and Preserve in Alaska. Corals are bleaching in Virgin Islands National Park.
Power companies that take initiative now can position themselves for a bright future in tomorrow’s clean energy economy
Analysts say cuts in emissions will need to increase sixfold if the powerful G20 nations are to meet the climate challenge on reducing greenhouse gases.
What is so refreshing about the UN’s Sustainable Development Goals is that they recognise the inherent tension between economic development and the ecology of our planet.
The role of drought in the fall of ancient Mayan civilisation highlights the vital need today for water management in fighting the impacts of climate change.
In the early days of the Industrial Revolution, no one would have thought that their burning of fossil fuels would have an almost immediate effect on the climate.
Halting tree-felling and land clearance is not enough to save tropical rainforests without programmes of forest restoration in degraded areas, scientists say.
Since the 1950s, U.S. nuclear power has commanded immense taxpayer and customer subsidy based on promises of economic and environmental benefits. Many of these promises are unfulfilled, but new ones take their place. More subsidies follow.
The perennial question of how clouds affect the Earth’s climate takes another twist, with one study expecting cooling and another the opposite.
With every passing year, Southeast Florida faces more pressure to adapt to climate change. The region already experiences the effects of climate change, such as flooding on sunny days during the highest tides of the year
Ecosystems are already showing the signs of climate change, from the recent death of mangrove forests in northern Australia, to the decline in birds in eastern Australia, to the inability of mountain ash forests to recover from frequent fires.
Electrifying transportation is one of the most promising ways to significantly cut greenhouse gas emissions from vehicles, but so-called range anxiety – concern about being stranded with an uncharged car battery – remains a barrier to electric vehicle adoption.
In June, California utility Pacific Gas and Electric announced plans for phasing out its Diablo Canyon nuclear power plant, located on the central California coast.
Currently planned gas production expansion in Appalachia would make meeting U.S. climate goals impossible
With the help of satellite data, scientists have shown that low-level cloud cover in the tropics thins out as Earth warms. Because this cloud cover has a cooling effect on the climate, the two-degree warming target set by the Paris Agreement may arrive sooner than predicted.
Warning that humans may already have emitted enough carbon dioxide to undermine the 1.5°C temperature rise threshold agreed by 195 nations last December.
Record high temperatures in Arctic Russia are believed to be one of the main factors behind the emergence of the deadly anthrax disease in northwestern Siberia.
If you flip over a log in a forest in the southeastern U.S., you are likely to find a squirming salamander.
The United Nations climate change conference held last year in Paris had the aim of tackling future climate change. After the deadlocks and weak measures that arose at previous meetings, such as Copenhagen in 2009, the Paris summit was different.
Pacific Gas and Electric (PG&E) recently started the process of shutting down the Diablo Canyon generation facility, the last active nuclear power plant in California.
Water crises seem to be everywhere. In Flint, the water might kill us. In Syria, the worst drought in hundreds of years is exacerbating civil war. But plenty of dried-out places aren’t in conflict. For all the hoopla, even California hasn’t run out of water.
With a heat wave pushing the heat index well above 100 degrees Fahrenheit (38 Celsius) through much of the U.S., most of us are happy to stay indoors and crank the air conditioning.
Scientists believe that simple land management techniques can increase the rate at which carbon is absorbed from the atmosphere and stored in soils.
The State of the Climate in 2015 report, led by the US National Oceanic and Atmospheric Administration, was released. Unfortunately, it paints a grim picture of the world’s climate last year.
Ethicist Peter Singer told Q&A that climate change-related sea level rises are “estimated to cause something like 750 million refugees just moving away from that flooding”.
After warming for nearly 50 years the Antarctic peninsula has begun cooling, though probably not for long, UK scientists say.
Soldiers of the Eco Task Force are playing a key role in forest, soil and water conservation to help India meet emissions reduction targets set at the Paris climate summit.
Degraded tropical forests throughout the world could be effectively restored by using a simple and inexpensive technique to speed up natural regeneration.
In a context of unprecedented climate change and food insecurity, adaptation in agricultural systems is critical in Africa. It is crucial to breed new varieties of staple crops that are adapted to deal with climatic conditions.
Southern Africa is noted for its wealth of biological diversity and for its high proportion of endemic species. These are species that are unique to a specific location and are found nowhere else in the world. Many of the region’s endemic species can be found in South Africa’s fynbos and succulent Karoo biomes.
The problem the world faces is that many of the resources that are truly threatened are the renewable ones, not, as so often assumed, the non-renewables.
Political hurdles and low prices have made carbon pricing a low-impact affair. But there’s still hope it can help limit climate change. Earth’s atmosphere has long served as a free dump for carbon dioxide and other greenhouse gases generated by humans.
The dip in atmospheric carbon dioxide levels during the Little Ice Age wasn’t caused by New World pioneers cutting a swathe through native American agriculture, as had been previously thought.
Forests take up 25 to 30 percent of human-caused emissions of carbon dioxide—a strong greenhouse gas—and therefore are considered to play a crucial role in mitigating the speed and magnitude of climate change.
Serious tree loss and stunted growth caused by repeated droughts in the Amazon Basin have damaged the rainforest’s vital ability to store atmospheric carbon.
Every so often, in regions too remote for the TV cameras, satellite images reveal vast fires covering thousands of square kilometres in smoke. This is what’s happening in Siberia, right now.
Sixty six million years ago, the dinosaurs suddenly disappeared, along with most of the species on the planet. The extinction occurred at precisely the same time that a giant asteroid struck the Earth.
Global climate change, driven by human emissions of greenhouse gases, is already affecting the planet, with more heatwaves, droughts, wildfires and floods, and accelerating sea-level rise.
New mapping of one of the most remote areas in Antarctica has revealed regions deep within Earth’s largest ice sheet that are particularly prone to rapid melting.
Experts say the results of a study of ancient zooplankton fossils offer a warning about mass extinction events: There’s a tipping point, at which dramatic declines in populations begin.
Falling costs mean that power generated by offshore wind farms is becoming increasingly competitive with other fuels – and that’s good news for the climate.Offshore
Scientists have found that some varieties of beans − a vital food crop grown on every continent except Antarctica − have developed ways of coping with the climate-related droughts that threaten them.
Think of an Australian landscape and you’re unlikely to picture snow-capped mountains or alpine meadows. But that’s what you’ll find atop the peaks of the country’s southeastern corner.
The common wisdom about climate change is that it’s too big and too abstract for humans to comprehend, that it’s too hard to talk about. But it turns out many people are having tangible experiences of our changing environment.
In recent years wildfire seasons in the western United States have become so intense that many of us who make our home in dry, fire-prone areas are grappling with how to live with fire.
The Paris climate agreement saw countries pledge to limit global warming to well below 2℃, and to aim to keep it within 1.5℃. The problem is that countries' current emissions targets are not enough to meet these goals.
Even though Iowa is typically associated with red state politics, everyone there seems to agree that wind power makes economic sense for one of the windiest states in the country.
Reconstruction of climate events long before the Ice Ages shows that failure to reduce greenhouse gas emissions could eventually lead to temperatures rising by up to 10 degrees.
Smoldering peat gives off massive quantities of carbon dioxide and other pollutants, but the search for solutions is on.
Researchers warn that thawing soils in the Arctic tundra’s permafrost will release increasing quantities of carbon dioxide and methane into the atmosphere.
This week’s decision by four Australian Catholic orders to divest fully from fossil fuels can be interpreted as a direct response to the encyclical on the environment, issued by Pope Francis almost exactly a year ago.
The fossil fuel industry has spent many millions of dollars on confusing the public about climate change. But the role of vested interests in climate science denial is only half the picture.
The solar panels of about 40,000 Massachusetts households and community groups cut electricity prices for all of the approximately three million electricity ratepayers in the state, even those without the panels, also called photovoltaics (PV) systems.
We seriously need to do something about CO2 emissions. Besides shifting to renewable energy sources and increasing energy efficiency, we need to start putting some of the CO2 away before it reaches the atmosphere.
Following record-high temperatures and melting records that affected northwest Greenland in summer 2015, a new study offers the first evidence linking melting in Greenland to the anticipated effects of a phenomenon known as Arctic amplification.
Creeping desertification in China is swallowing thousands of square kilometres of productive soil every year. It’s a challenge of gigantic and unprecedented proportions.
On May 19, India’s all-time temperature record was smashed in the northern city of Phalodi in the state of Rajasthan. Temperatures soared to 51℃, beating the previous record set in 1956 by 0.4℃.
Squid, octopus and cuttlefish populations are booming across the world. These fast-growing, adaptable creatures are perfectly equipped to exploit the gaps left by extreme climate changes and overfishing, according to a study colleagues and I published in the journal Current Biology.
Dramatic images of out-of-control wildfires in western North American forests have appeared on our television and computer screens with increasing regularity in recent decades, while costs of fire suppression have soared.
A huge glacier in the frozen wastes of East Antarctica, a region previously thought stable, could melt much faster than expected, scientists say.
The daily ebb and flow of the tides promise a renewable energy bonanza for countries such as Canada and the UK that have shallow seas and a steep tidal range.
Temperatures in the Middle East and North Africa could reach unbearably high levels that would make some regions uninhabitable and increase the pressures of climate refugees.
We’re not even halfway through the year but already you may have heard talk of 2016 being the hottest on record. But how can scientists be so sure we’re going to beat the previous record, set just last year?
The plan for Louisville includes tree-planting targets and cool roofing and paving goals for different neighborhoods. In all, an additional 450,000 trees are recommended.
Sea-level rise, erosion and coastal flooding are some of the greatest challenges facing humanity from climate change.
Scientists have found a way to increase the energy cows take in from feed, while reducing the vast amounts of the greenhouse gas methane they pump out of the other end.
Among climate change activists, solutions usually center on a transition to renewable energy. There may be differences over whether this would be best accomplished by a carbon tax, bigger subsidies for wind and solar power, divestment from fossil fuel companies
Global demand for energy is increasing by the hour as developing countries move toward industrialization. Experts estimate that by the year 2050, worldwide demand for electricity may reach 30 terawatts (TW). For perspective, one terawatt is roughly equal to the power of 1.3 billion horses.
Marine life faces increased threats as researchers warn that warmer waters caused by climate change could seriously reduce the levels of oxygen in the world’s seas.
Scientists warn that the current pleasures of warmer weather will pall for US citizens as climate change brings extreme temperature rises and unhealthy levels of atmospheric ozone.