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28 09 2020 | 09:38

President 'has four years to save Earth'.

US must take the lead to avert eco-disaster. Barack Obama has only four years to save the world. That is the stark assessment of Nasa scientist and leading climate expert Jim Hansen who last week…

27 09 2020 | 09:17

Internal displacements reach 15m in 2020 with worst 'still to come' – report.

Extreme weather, locust invasions and violence have forced people to flee their homes. Millions of people were uprooted from their homes by conflict, violence and natural disasters in the first six…

27 09 2020 | 09:16

'Too late to stop it': California's future hinges on managing megafires.

This year’s historic blazes and apocalyptic skies will become routine. Hope lies in rethinking how we live with fire.

27 09 2020 | 09:09

The megafires and pandemic expose the lies that frustrate action on climate change.

If there was a moment of true emergency in the fight to preserve our climate, it is now

27 09 2020 | 09:09

Climate change and forest management have both fueled today’s epic Western wildfires.

What is driving the wildfires that are ravaging California, Oregon and Washington? President Trump and state officials have offered sharply different views.

27 09 2020 | 08:52

The Observer view on Boris Johnson's environmentalism.

The prime minister’s green credentials have yet to materialise and his silence on Cop26 is a warning.

27 09 2020 | 08:46

Five cyclones churn in Atlantic Ocean for only second time in history.

  Bermuda shutters schools and ports for Hurricane Paulette Hurricane Sally moves towards US Gulf coast   For only the second time in recorded history, five tropical cyclones are churning in the…

27 09 2020 | 08:45

“Yes we can”: Energy experts plot path to fossil-free grid.

Engaging with climate and energy policy in Australia can be bad for your neck. Either your head is in your hands as the latest political idiocy unfolds, or you suffer whiplash as you encounter smart…

27 09 2020 | 08:32

India to be largest source of energy demand growth: BP Energy Outlook.

Demand for oil is "broadly flat" even in the most bullish scenario as the energy transition shifts the world away from fossil fuels.

27 09 2020 | 08:21

Farm animals and pandemics: nine diseases that changed the world.

Covid has got experts thinking urgently about the risk of diseases passing from farmed animals to humans. We examine the major outbreaks of the past two centuries. Pandemics almost always begin with…

27 09 2020 | 08:20

Guest post: Coronavirus food waste comes with huge carbon footprint.

As the coronavirus pandemic disrupts supply chains around the world, it is likely that more food is being wasted than ever before at a time when more people are also going hungry.

27 09 2020 | 08:03

Transitioning to net zero.

In recent years the attitudes of the general public, many companies and governments have shifted regarding climate change, with urgent calls for action to address the growing crisis. Much of the…

27 09 2020 | 08:03

Climate Explained: Methane Is Short-Lived in the Atmosphere but Leaves Long-Term Damage.

Methane is a shorter-lived greenhouse gas - why do we average it out over 100 years? By doing so, do we risk emitting so much in the upcoming decades that we reach climate tipping points? The…

27 09 2020 | 08:01

Is This The Cleanest Energy On Earth?

The green energy revolution is well and truly underway. Renewables have proven to be highly resilient, emerging as the only energy sector to record any kind of growth at a time when fossil fuels are…

27 09 2020 | 08:01

Climate crisis 233m years ago reshaped life on Earth, say scientists.

Volcanic eruptions drove global heating, causing mass extinctions and ushering in dinosaur era. A mass extinction event sparked by a sudden shift in climate more than 200m years ago reshaped life on…

27 09 2020 | 07:48

UN: 'Climate-Smart' Cities Are the Future – Here Are Three Examples.

More than half of the world's population lives in cities, and most future population growth is predicted to happen in urban areas. But the concentration of large numbers of people and the ecosystems…

27 09 2020 | 07:41

Why Solar Geoengineering Should Be Part of the Climate Crisis Solution.

For decades, climate scientist David Keith of Harvard University has been trying to get people to take his research seriously. He's a pioneer in the field of geoengineering, which aims to combat…

24 09 2020 | 12:41

Six African heritage sites under threat from climate change.

From rock art in southern Africa to pyramids along the River Nile, humans have been leaving their mark across the continent for millennia. But extreme weather events, the rise in sea levels and…