ukrainian children and civilians. more than 90 heads of state and governments are attending. it makes it the largest world leader gathering solely focused on ukraine since the invasion began more than two years ago. but russia has not been invited and china is not attending. sarah rainsford filed this report from day one at burgenstock. shattering the peace of a swiss mountainside for the cause of peace in ukraine. volodymyr zelensky came to meet delegations from all over the world, coming together here to begin seeking out a path towards ending the war waged by russia. talking peace is new territory for kyiv, but now, it s seizing the initiative, hoping for a broad global alliance that can help push for a settlement on ukraine s terms. 101 states and international organisations are now at this summit and this is a tremendous success, our success, the common success of all those who believe that a united world, united nations, are stronger than any aggressor. russia wasn t at
aviation innovation. this week, lara looks at the elemental solution to cleaning up carbon emissions from aircraft. we travel to the remote faroe islands to look at the latest ways to harness tidal energy. it s sort of like kitesurfing, but on the water. if it moves, it s a controller paul s en route towards more accessible games. if ijust raise my eyebrows, i m making the carjump. and we look at how generative technology could revolutionise the moviegoing experience. it can make approximately 52 quintillion versions of the film. about 100,000 flights jet around the world every day. flying accounts for 2.5% of all carbon emissions. now, that might not sound like much, but if aviation was a country, it would be among the top ten most polluting nations in the world, and its impact is expected to rise. now, there s a global race to get clean aviation off the ground. and some companies think they re close to cracking it. pretty soon, passengers will be flying in zero emission a