The oceans and their waves could be a huge source of energy. Many have tinkered with the technology needed to harness this power. Up to now, it has been difficult. What new ideas could help us capture the energy of waves?
Burning fossil fuels to meet rising energy demand has pushed carbon dioxide emissions to a record high. Can innovation save us from global warming?
Africa emits less than 4% of global CO2 but struggles to provide electricity to half its population. Energy infrastructure built today could have massive impacts on future emissions and living standards.
The Gustav Knepper power station in the western city of Dortmund has been demolished in two explosions. Nearby residents were made to leave their homes during the blasting operation.
Russian hydropower company RusHydro has launched a wind power plant in Russia’s Arctic region. It's far from a signal that fossil-fuel-hungry Russia is going green, but it's a start.
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