Cutting ammonia emissions may be the best way to reduce air pollution
4 November 2021
Emissions of ammonia can lead to tiny particles in the air that damage our health, but many countries have no policies on limiting its release into the atmosphere
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People in cities have faced huge increase in heat exposure since 1983
4 October 2021
The world’s city dwellers collectively experienced 119 billion days above 30°C in 2016 – an almost 200 per cent increase on the equivalent 1983 figure of 40 billion days
Food production emissions make up more than a third of global total
13 September 2021
Global greenhouse gas emissions from food production are 37 per cent of the total, and animal-based food production emits twice as much as plant-based food production
Frogs are battling their own terrible pandemic – can we stop it?
14 July 2021
The deadly chytrid fungus has wiped out 90 species of amphibians, and is threatening ecosystems. Now there's hope that several new treatments could help us fight the plague
Common plastics can be broken down by enzymes found in cow stomachs
2 July 2021
The bacteria in a cow's stomach produce enzymes that can break down the plastic used to make bottles and bags, and could one day be used to process such plastics after use
‘Zombie’ fires in Alaska and Canada may be becoming more common
19 May 2021
Some forest fires burn in the summer, smoulder through winter and reignite in spring – and a new model suggests they may be becoming more common in parts of the Arctic
Just 3 per cent of the land on Earth is still ecologically intact
15 April 2021
Most of Earth’s terrestrial habitats have lost their ecological integrity – even areas previously categorised as being intact
Colorado's legal cannabis farms emit more carbon than its coal mines
8 March 2021
Cannabis growing, now legal in many US states, emits significant amounts of greenhouse gases due to the climate-control systems used by indoor farms
Strange death of Russian mountaineers may be due to unusual avalanche
28 January 2021
The Dyatlov Pass incident, which saw nine Russian mountaineers die in mysterious circumstances in 1959, has been the subject of many conspiracy theories, but now researchers say an unusual avalanche is to blame
Tropical rainforests may begin pumping out carbon dioxide by 2050
13 January 2021
Rising temperatures over the next 30 years could cause Earth’s tropical and temperate forests to switch from being carbon sinks to carbon sources that release greenhouse gases
