Now playing Next COP28: Record number of fossil fuel lobbyists at UN climate conference, campaigners say
Now playing Next Japan Heading for Hawaii, Solar Impulse II takes off for the most risky leg of its round the world trip
Now playing Next China Solar-powered plane lands in eastern China, prepares to cross Pacific Solar Impulse, the fuel-free airplane, arrived in Nanjing in eastern China on Tuesday, completing the sixth leg of its round-the-world flight. Pilot 22/04/2015
Now playing Next India Solar Impulse takes off from Oman on second-leg of record breaking trip A solar powered plane has started the second leg in its attempt to fly round the world without using fossil-derived fuels. Solar Impulse 2 took off 10/03/2015
Now playing Next Saudi Arabia Solar plane completes maiden leg of record attempt An attempt to make the first round-the-world flight in a solar-powered plane has got off to a flying start. Solar Impulse 2 has completed its maiden 09/03/2015
Now playing Next United Arab Emirates Solar Impulse plane takes off on historic round-the-world flight A plane powered solely by the sun has begun an unprecedented round-the- world flight after taking off from a runway in Abu Dhabi on Monday. The aim 09/03/2015
Now playing Next Spain EU summit looks to reduce energy dependency At an energy summit in Madrid, France, Spain and Portugal have agreed to seek ways of diversifying their energy dependence away from unstable 05/03/2015
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