Global investment in cleaner energy sources has more than quadrupled over the last 10 years. But more is needed. The alternative could be pollution damage of several trillion dollars worldwide.
Uganda's power supply is bad. In many places electricity is so scarce that it is rationed. Some schools are looking for alternative energy sources.
German energy giants RWE and E.ON want to reposition themselves and are planning a radical change. It's a necessary development but will come at the expense of both workers and consumers, says DW's Andreas Becker.
Many Ugandans have no access to electricity and rely on wood for cooking, which has led to rapid deforestation. Two enterprising schools have found sustainable solutions that they hope will inspire others.
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