Obama to unveil clean energy plan Post a Comment US President Barack Obama is set to unveil what he calls "the biggest, most important step we have ever taken" in tackling climate change. Baca JugaIn pictures: Solar eclipse as seen from the UK'Miraculous' mosquito hack cuts dengue by 77%Backlash against 'frightening' tests on whales Read More Share : Post a Comment for "Obama to unveil clean energy plan"
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