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 aircraft. but how did we get here? archive: the new machine is called, optimistically, - the flyer. we ve come a long way since the wright brothers first flight in 1903. that day, they lifted the world into a new dimension. then we achieved bigger, faster planes. great, but that s also how we ended up with all these emissions. jet engines burn kerosene, which releases carbon dioxide, one of the main greenhouse gases causing climate change. the industry faces an enormous challenge to clean up its act, and that means coming up with new
two more. he s already appointed two that have been very negative in terms of the rights of individuals. the idea that if he s reelected he s going to appoint two more flags upside down is really, i really mean it. could this be the scariest part of all of it? i think it is one of the scariest parts. look, the supreme court has never been as out of kilter as it is today. here s why appointments on the supreme court matter. on friday, the conservative majority of the court reinstated bump stocks, the device that allows a semiautomatic weapon like it is an automatic weapon. it s what the las vegas shooter used to fire more than 1,000 rounds in eleven minutes and kill 58 people at a music festival in 2017. critics say the obvious. this decision just made it a whole lot easier for somebody to almost instantly kill a whole lot of people. and those somebodies are out there. in fact, just a day after that decision to roll back what little gun restrictions we have left in this