The world's supply of rubber is in jeopardy. Can we find new sources?
15 May 2019
Rubber is essential to modern life, but the trees that provide it could be wiped out by a deadly disease. Some scrubby weeds may provide the unlikely solution
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Premium
Deadly air pollution illuminated in beautiful long-exposure photograph
15 May 2019
These are no delicate fireflies but air pollution levels outside Port Talbot steelworks, South Wales, captured by the novel techniques of a science-art project
Free-floating DNA to reveal the health of river and lake ecosystems
14 May 2019
The mix of DNA floating in rivers and lakes will finally be used to monitor the state of aquatic ecosystems, after years of tests to prove the technique works
Greening the chemical industry requires massive amount of renewables
13 May 2019
To go green, the chemicals industry could use carbon dioxide from the air instead of fossil fuels, but this would require vast amounts of renewable energy
Humans have interfered with most of the world's greatest rivers
8 May 2019
Long free-flowing rivers are incredibly biodiverse, but they have become increasingly rare and confined to remote regions in the Arctic, Amazon and the Congo basin
UK goes a week without coal but the renewables revolution is stalling
8 May 2019
The country that first started turning coal into electricity has managed without it for a week. But don't be fooled by the good news
