Purifying water with the help of wood, bacteria and the sun

According to the United Nations, about one-fifth of the world's population lives in areas where water is scarce. Therefore, technologies to produce clean water from undrinkable sources, such as seawater, river or lake water, ...

Climate extremes will cause forest changes

No year has been as hot and dry as 2018 since climate records began. Central European forests showed severe signs of drought stress. Mortality of trees stricken in 2018 will continue for several years.

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