This is how El Niño brought heat to the surface of the Pacific in 2015 Our overheating world is likely to break a key temperature limit for the first time over the next few years, scientists predict. Researchers say there's now a 66% chance we will pass the 1.5C global warming threshold between now and 2027.
Scientists have mapped the underground network of fungi that provide trees with nutrients. Research has shown that beneath every forest and wood there is a complex underground web of roots, fungi and bacteria helping to connect trees and plants to one another. This subterranean social network, nearly 500 million years old, has become known as the "wood wide web".
Swedish campaigner Greta Thunberg has made a passionate speech to world leaders at the UN, accusing them of failing to act on climate change. "You have stolen my dreams and my childhood with your empty words," she told a UN climate summit in New York. About 60 world leaders are taking part in the one-day meeting organised by UN Secretary General António Guterres.
Vaccinating cows so that the bacteria in their gut produces less methane could help to slash greenhouse gas emissions from farming (Credit: AgResearch) A hefty slice of global greenhouse gas emissions come from the smelly bodily functions of livestock. Can tinkering with the microbes in their guts help to save the planet from climate change? The cows grazing peacefully in the vicinity of New Zeala
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