It was the year climate scientists warned it was now or never to save the planet, NASA sent a probe to touch the sun and a paralysed man took his first steps. The BBC's Pallab Ghosh looks back at 12 months in science and the environment. Show less
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It was the year climate scientists warned it was now or never to save the planet, NASA sent a probe to touch the sun and a paralysed man took his first steps. The BBC's Pallab Ghosh looks back at 12 months in science and the environment. Show less