In many parts of Uganda, electricity is in such short supply it's rationed. That's had a knock-on effect for many schools. The 'New Africa School' in Luwero District has installed a solar power system to ensure there's light during lessons.
Building a completely solar-powered town is a challenge, even in very sunny Florida. And not just for technical reasons. Getting average buyers to go green sometimes means having to compromise.
Poland, host of the upcoming COP24 climate conference, has long had a love affair with coal. Can it say goodbye and commit to renewables?
MP3 players are being used as a valuable source of information for health and general well-being. A German couple are distributing the portable devices to improve the lives of illiterate women in rural areas.
With polluted air and a coal-hungry economy, India is using the UN climate conference to show the world it can continue rapid development without fossil fuels. But the South Asian country still runs on dirty energy.
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