There is a lot of discussion on the benefits of electric cars versus fossil fuel cars in the context of lithium mining. Please can you tell me which one weighs in better on the environmental impact in terms of global warming and why?
Every car has an optimal speed range that results in minimum fuel consumption, but this range differs between vehicle types, design and age.
For airlines, the reckoning is no longer far away on the horizon. It’s now a jumbo jet meters from the runway, landing gear down.
The Australian government’s investment roadmap for low-emissions technologies promises more taxpayers’ money to the gas industry but fails to deliver the policy needed for people to support a transition to renewable energy.
If I were to buy an electric vehicle it would add to the load on the national grid. Is the only way we are currently able to add the extra power to burn more coal?
Green growth has emerged as the dominant narrative for tackling contemporary environmental problems.
The tornadoes that swept across the Southeast this spring were a warning to communities nationwide:
COVID-19 has radically changed our travel habits in just a matter of weeks. Walking and cycling are up, as people enjoy their daily exercise or take essential journeys they might otherwise have made by public transport.
The numbers of people cycling and walking in public spaces during COVID-19 has skyrocketed.
Agriculture has long been framed in the global climate action discussion as a sector whose activities conflict with meeting greenhouse gas (GHG) reduction targets.
Politicians and business people are fond of making promises to plant thousands of trees to slow climate change. But who actually plants those trees, and who tends them as they grow?
Climate deniers have been hanging out for the United Nations’ next big summit to fail. In a sense, the coronavirus and its induced policy responses have more than satisfied their wildest dreams, precipitating a global recession that they no doubt hope has pushed the issue of the low-carbon transition well down the political and policy agenda.
‘We’re doomed’: a common refrain in casual conversation about climate change. It signals an awareness that we cannot, strictly speaking, avert climate change.
Every aspect of our lives has been affected by the coronavirus. The global economy has slowed, people have retreated to their homes and thousands have died or become seriously ill.
This isn’t a normal period of disruption, which is usually caused by failures in supply such as road accidents or industrial action. In this case it is the lack of demand that is the problem.
Science warns us that the 2020s will be humanity’s last opportunity to save itself from a climate catastrophe.
Tropical forests matter to each and every one of us. They suck colossal quantities of carbon out of the atmosphere, providing a crucial brake on the rate of climate change.
Luxembourg recently became the first country in the world to make all public transport free.
A common demand in discussions about climate change is to respect the science. This is appropriate. We should all be paying close attention to the urgent and terrifying conclusions being published by climate scientists.
As the brutal reality of climate change dawned this summer, you may have asked yourself a hard question: am I well-prepared to live in a warmer world?
If you’re a traveller who cares about reducing your carbon footprint, are some airlines better to fly with than others?
Australia’s recent bushfire crisis will be remembered for many things – not least, the tragic loss of life, property and landscape.
When we talk about innovations to deal with the climate crisis, we tend to think of new technologies developed by physical scientists.
Experienced anglers recognize that for a trout, the ultimate “steak dinner” is a stonefly or mayfly.
This erasure of one government’s climate project by its successor was only the tip of the melting iceberg.
It’s far easier to avoid burning fossil fuels than it is to clean up CO₂ emissions once they’re in the Earth’s atmosphere.
Mayors Bill de Blasio of New York and Sadiq Khan of London on Tuesday urged every major city in the world to divest from the fossil fuel industries that are wrecking the planet.
How does your food shop affect the planet? Well, think of it like this
Geothermal means, literally, “earth heat”. The temperature of the earth increases as we drill deeper towards its core.
Intensive agriculture may be nourishing most of the Earth’s inhabitants, but it’s doing the opposite to earth itself.
The most important individual climate action will depend on each person’s particular circumstances
About a quarter of all the greenhouse gas emissions that humans generate each year come from how we feed the world.
Climate fiction, climate change fiction, “cli-fi” – whatever you want to call it – has emerged as a literary trend that’s gained astonishing traction over the past ten years.
As bushfires rage and our cities lie shrouded in smoke, climate change is shaping as a likely topic of conversation at the family dinner table this Christmas.
Reforestation has enormous potential as a cheap and natural way of sucking heat-absorbing carbon dioxide out of the atmosphere and restoring the degraded natural world
Eighteen countries from developed economies have had declining carbon dioxide emissions from fossil fuels for at least a decade.
When it comes to tackling climate change the UK is still taking baby steps. A lot more needs to be done – and fast – to hit the 2050 net zero carbon emission targets, which involves offsetting any emissions by absorbing an equivalent amount from the atmosphere.
Coastal wetlands don’t cover much global area but they punch well above their carbon weight by sequestering the most atmospheric carbon dioxide of all natural ecosystems
Stabilising The Global Population Is Not A Solution To The Climate Emergency – But We Should Do It Anyway
A global coalition of 11,000 scientists has come up with a plan for dealing with the climate emergency.
It’s no secret that cutting down trees is a main driver of climate change. But a forgotten group of plants is critically important to fixing our climate — and they are being destroyed at an alarming rate.
Like many Americans, I worry about the state of the planet and try to make a positive impact through decisions in my day-to-day life.
The Energy Technologies Institute recently reported that without carbon capture and storage (CCS), the cost of reaching the UK’s climate change targets will double from around £30 billion per year in 2050. So how does it work?
A new report from the International Energy Agency released Friday claims that wind power could be a $1 trillion business by 2040 and that the power provided by the green technology has the potential to outstrip global energy needs.
In a speech to the National Press Club, Prime Minister Malcolm Turnbull declared that the key requirements for Australia’s electricity system are that it should be affordable, reliable, and able to help meet national emissions-reduction targets.
A walk into the future, in a British city where housing is sustainable, energy is locally owned, food is abundant, and the work week is just three days long.
Materialism may influence us to choose “green buying” rather than not buying anything at all, research finds.
Countries across the globe are trying to wind down coal production. While this will help in the battle against climate change, those communities that have specialised in coal mining may see their local job market decline or be eliminated entirely.
As the world grapples with climate change, we urgently need to find ways of reducing our CO₂ emissions. Sectors which rely heavily on fossil fuels, such as energy and aviation, are commonly held to be the worst offenders.
A closer look at one of the most familiar responses offered to the climate crisis.
Not all carbon is created equal. Writer Jackson Carpenter argues that the power to stop climate change rests on recognizing different kinds of carbon – a shift in perspective that allows us to change
Rooftops covered with grass, vegetable gardens and lush foliage are now a common sight in many cities around the world.
The idea of a four-day working week is gaining traction. Recently, several high-profile companies have trialled reduced hours. And in the UK, the Labour Party has pledged a 32-hour four day work week within ten years should it come to power.
Cities are at the forefront fighting against climate change in a range of ways, according to a new article.
Electric cars, trains, trams and boats already exist. That logically leads to the question: why are we not seeing large electric aircraft? And will we see them any time soon?
Humanity’s existential crisis can be resolved only when we the people stand united behind a vision of the world we truly want.
Researchers working in the field of climate change communications have, for many years, been confronted with the same puzzle
Building a new world will require first reexamining—and dismantling—the cultural ethos of productivity that creeps into our lives every day.
Seaweed is a lot more than marine debris you find on the beach. It may play a big role in the effort to mitigate climate change, researchers say.
The main solution to climate change is well known – stop burning fossil fuels.
About a quarter of all the greenhouse gas emissions that humans generate each year come from how we feed the world.
The IPCC special report, Climate Change and Land, released last night, has found a third of the world’s greenhouse gas emissions come from the “land”: largely farming, food production, land clearing and deforestation.
Challenge prizes – which offer a cash incentive to those working to solve a particular problem – are becoming a force for change by allowing entrepreneurs and innovators, often overlooked by existing grant and procurement systems, to develop solutions to the world’s greatest problems.
Wicked problems are issues so complex and dependent on so many factors that it is hard to grasp what exactly the problem is, or how to tackle it.
Restoring the world’s forests on an unprecedented scale is “the best climate change solution available”, according to a new study.
Shared dockless electric scooters, or e-scooters, transport riders over short distances in cities. Ride share companies promote them as an environmentally friendly choice that reduces dependence on cars.
Animal populations have declined on average by 60% since 1970, and it’s predicted that around a million species are at risk of extinction.
The Paris climate talks hoped to set out how we can reduce the amount of carbon we’re pumping into the atmosphere.
Natural climate solutions let nature do the hard work in the fight against climate change by restoring habitats such as forests and wetlands. This could absorb carbon dioxide from the atmosphere and help biodiversity thrive.
U.S. states and cities hand out tens of billions in taxpayer dollars every year to companies as economic incentives.
Greening our cities has become one of the great global imperatives of the 21st century including to tackle climate change. And Australia’s sprawling car-based cities are gradually changing to embrace green or living infrastructure.
New research offers a hard link between reforestation of marginal, degraded, or abandoned agricultural land and significant benefits in water quality.
Climate scientists insist in a recent report that fundamental changes in how energy is consumed and supplied are urgently required to avoid serious damage to life and property
A new technology produces liquid hydrocarbon fuels exclusively from sunlight and air.
As the climate crisis is increasingly felt across the globe, protesters take to the streets and politicians scrabble to respond, a crucial question is beginning to emerge.
The “tragedy of the horizons,” a term coined by Canada’s Mark Carney, governor of the Bank of England, has been haunting the financial sector ever since climate change began posing serious threats to the planet.
By end of the century, rising seas will flood more than 500 coastal cities, affecting 1.5 billion people worldwide. Some estimates predict surging sea level rise of two meters by 2100.
In November 2018, the Woolsey Fire scorched nearly 100,000 acres of Los Angeles and Ventura counties, destroying forests, fields and more than 1,500 structures, and forcing the evacuation of nearly 300,000 people over 14 days.
Climate change is no longer a financial problem, just a political one. Mitigating climate change by decarbonizing our economy would add trillions of dollars in new investments
Whenever I visit the Sahara I am struck by how sunny and hot it is and how clear the sky can be.
According to a recent major UN report, if we are to limit temperature rise to 1.5 °C and prevent the most catastrophic effects of climate change, we need to reduce global CO₂ emissions to net zero by 2050.
You might find your car dying on the freeway while other vehicles around you lose control and crash.
Today, as part of the UNSW Grand Challenge on Inequality, we release a study entitled A Climate Dividend for Australians that offers a practical solution to the twin problems of climate change and energy affordability.
Search online for “climate change” and “tipping points” and you’ll find some scary results.
Energy Secretary Rick Perry has repeatedly expressed concern over the past year about the reliability of our national electric power grid.
U.S. Rep. Alexandria Ocasio-Cortez and Sen. Ed Markey are calling for a “Green New Deal” that would involve massive government spending to shift the U.S. economy away from its reliance on carbon.
Researchers are investigating a method of creating power from fast moving streams that many rural areas in Nepal use.
The school climate strikes show that young people want to fight climate change, but their enthusiasm for collective action is largely untapped.
The ideas behind regenerative farming are simple and ancient. The way to stop climate change might be buried in 300 square feet of earth in the Venice neighborhood of Los Angeles, amid kale and potatoes.
One reason why people find it difficult to think about climate change and the future may be their understanding of human history.
If we don’t make a fundamental change to the way we are living, the world faces the destruction of entire eco-systems, flooding of coastal areas, and ever more extreme weather.
The Green New Deal endorsed by Alexandria Ocasio-Cortez and more than 40 other US Representatives has been criticized as imposing a too-heavy burden on the rich and upper-middle-class taxpayers who will have to pay for it, but taxing the rich is not what the Green New Deal resolution proposes.
Environmental activists are teaming up with fresh faces in Congress to advocate for a Green New Deal, a bundle of policies that would fight climate change while creating new jobs and reducing inequality.
Massachusetts is leading the charge in dual-use solar installations, making it possible to grow some crops and pasture animals while generating clean energy.
A carbon tax makes fossil fuels like oil and coal more expensive. That, in turn, leads consumers and industries to use less of them.
I spend many hours working on my computer while sitting in front of sliding glass doors so as to be part of nature.
Rapid progress towards clean energy is needed to meet the global ambition to limit warming to no more than 1.5C above pre-industrial temperatures.
2018 has been a year of unprecedented weather extremes around the world.
Climate change news can be incredibly depressing. But things cannot be entirely bad, can they? We asked some climate researchers to peer through the smog and highlight a few positive stories from 2018.
As the scale and impacts of climate change become increasingly alarming, meat is a popular target for action. Advocates urge the public to eat less meat to save the environment. Some activists have called for taxing meat to reduce consumption of it.
It seems like a day doesn’t pass without the release of yet another study that shows human actions will inevitably increase the Earth’s average temperature past a tipping point that will lead to runaway climate change.