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Why do some plants grow into large woody shrubs or colossal trees, while others remain small and never produce wood in their stems? It’s an evolutionary puzzle that already baffled Charles Darwin more than 160 year ago. Now,..
It is dryer than usual in the Brazilian Amazon and Cerrado savanna. The wet season started two weeks later than expected, and since then it has been raining irregularly. This has an impact on reforestation projects, that are..
The water levels of the Caspian Sea will be 9 to 18 meters lower than they are now, German and Dutch researchers calculate. In the Nature-journal Communications Earth & Environment they urge the world to act...