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At least 99% of all the species that ever existed have left no trace in the fossil record.
Swedish scientist Svante Arrhenius was the first to claim that fossil fuel combustion may eventually result in enhanced global warming already in 1896.
Fossil evidence suggests that fish have been on Earth for about 530 million years.
A solar plane made history in 2016 after completing a round-the-world trip using no fossil fuel.
Lucy, the most famous fossil, died 3.2 million years ago after falling from a tree.
At least 71% of dinosaur fossil records remain to be discovered, according to a 2006 study.
While the U.S. generates 2/3 of its electricity from fossil fuels, South America generates 2/3 of it from renewable energy sources, making the continent a global leader in renewable energy.