29 June 2022
Chemically altering the seas through iron fertilisation or alkalinity enhancement could be our best hope to suck vast amounts of carbon out of the atmosphere – but questions remain on whether it is worth the risk
20 October 2021
The COP26 climate summit in Glasgow is the world's last chance to spur real action on global warming. But what issues are at stake – and what does a good outcome look like?
1 September 2021
We fast-forward to 2050 and imagine what an average day will be like when we have slashed our carbon emissions – a picture informed by the latest research, ongoing trials and expert opinion
18 August 2021
“Negative emissions” technologies involve sucking CO₂ out of the atmosphere. They are essential to net-zero climate plans – but does anyone know how to make them work?
4 August 2021
People think using more energy is a bad thing, says International Energy Agency chief Fatih Birol – but as long as we can make it cleanly, it needn’t be
21 April 2021
It’s a critical time for action on climate change – but the rapid adaptations seen during the covid-19 pandemic offer hope that we can make a breakthrough, says the diplomat in charge of negotiations
3 March 2021
From habitat degradation to squalid animal treatment, our part in allowing “zoonotic” diseases like covid-19 to leap into humans is becoming ever clearer
17 February 2021
The blue whale, the mountain gorilla and the European bison are among the animals that have avoided extinction, showing what works to preserve the world’s wildlife
3 February 2021
Hydrogen is widely touted as a green fuel for everything from cars and planes to heating homes. But all too often it has a dirty secret
14 October 2020
Global warming has become a forgotten crisis during the coronavirus pandemic. But a year that has set worrying climate records also shows how we can remake the world for the better
