Land grabbing is the term for large-scale land acquisition by wealthy investors, mainly in developing countries. This is also happening in eastern Germany, where formerly state-owned agricultural land is going to the highest bidder.
Bangladesh is on the front line of climate change, as its low-lying delta farmlands face surging floods. But floating gardens – a traditional form of hydroponics – is offering a lifeline to some farming families.
When a group of Brazilian families occupied disused farmland they found lifeless soil and water. Fifteen years on, they have brought it back to health. Their story is part of a larger battle over Brazil's farming future.
African governments selling land to foreign investors has increased dramatically over the past decade. As the Africa Film Festival in Cologne showed, many filmmakers are now tackling the difficult subject in their work.
Soils are a double-edged climate sword. They are huge reservoirs of organic carbon and can act as a carbon sink. But they can also release CO2 into the atmosphere when used unsustainably.
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