'Fingerprint' of wood can help fight illegal trade

The chemical composition of tropical timber used, for example, for bridges or in window frames, reveals where the trees were growing. This can be used to help trace timber origin and reduce illegal trade.

All regions experienced water extremes in 2021: UN

All regions of the world saw water extremes last year—both floods and droughts—and billions of people had insufficient freshwater, the United Nations said on Tuesday.

'Farmer-researchers' join front line in testing crops

Farmers are becoming more involved than ever in the work of developing new, sustainable crop varieties, with a recent study from researchers at the Alliance of Bioversity International and CIAT showing how a "citizen science" ...

Climate Questions: How much has the climate changed already?

Relentless drought in China, East Africa, the U.S. West and northern Mexico, devastating floods in Pakistan and Kentucky, scorching heat waves in Europe and the Pacific Northwest, destructive cyclones in southern Africa and ...

How many ants are on Earth? 20 quadrillion, study says

There are at least 20 quadrillion ants on Earth, according to a new study that says even that staggering figure likely underestimates the total population of the insects, which are an essential part of ecosystems around the ...

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