Wüstenschiff

Böden als Lebensgrundlage
Wie der Klimawandel das Erdreich beeinflusst
18.09.2009 - Deutschlandradio

Böden sind vom Klimawandel betroffen: In der Arktis werden in dem schmelzenden Erdreich Treibhausgase frei, in gemäßigten Klimazonen schwindet die fruchtbare Humusschicht. Über das Zusammenspiel von Böden und Klima habe Wissenschaftler auf der internationalen Konferenz zur Umwelt-Biogeochemie in Hamburg diskutiert ... mehr

Gruß
Birgitt

Africa's burning charcoal problem
25.09.2009 - BBC

At a road block in western Tanzania, miles from anywhere, a uniformed official raises a flagged barrier. Nearby is a spill of black, like an oil slick. This is one of several checkpoints which have been set up around the country in a half-hearted attempt to curtail the largely unregulated trade of charcoal, widely used across the continent as a fuel for cooking. The guard on duty has confiscated six sacks. They lean against one another and bleed black dust into the sand. Over the next 50 miles there are dozens of sacks propped up under trees. These will be loaded up by truck drivers who pay around $4 a bag to sell for up to six times the price in the city ... mehr

Gruß
Birgitt