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