All for one and one for all. The 33 Latin American and Caribbean nations have met for the first time in six years in Cuba. The bloc is striving to speak with one voice, but just what sense of unity is there?
Digitalization is spurring on Germany's switch to renewables and away from nuclear. Power-generating homes, smart grids and new forms of clean energy storage are enabling Germans to go even greener.
Twenty countries and two US states have joined the "Powering Past Coal" alliance at the penultimate day of the UN climate summit, promising phase-outs. Conspicuously absent from that list: Germany.
Whether in cars, laptops or smartphones, cobalt is in nearly all batteries. The biggest supplier is the Democratic Republic of Congo, where human rights are often violated in the mines.
The development of renewable energy is setting new records, with solar power now becoming cheaper than energy from new coal or nuclear plants. China and other players in Asia are making serious inroads into the market.
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