sequoia, known as the grizzly giant, to protect it from the flames that are ripping through at this hour. this tree, the national park service says it s the second largest tree in yosemite. what we know about this fire is that it has doubled in size in the past 24 hours. nearly 1600 acres have already burned and fire officials are warning that they do expect this fire to continue to grow as they are also expecting continued hot, unusually hot temperatures. escalating drought, climate change, a horrible combination, also adding to this yearly threat of wildfires. how are federal officials dealing with all of that? we have been talking to, on the federal level, the national park service. this is something they are very concerned about as far as the impact of climate change on places like these national parks. most of the national parks across the united states are impacted, if not by extreme temperatures, wildfires, it s the sea level. they are working, on the federal level
we love space news here on the context. and tonight, it s the next step in china s ambitious space programme. the country s space agency has launched a rocket that it s hoping will make history. this is the moment the chang e 6 mission blasted off from the wenchang space launch centre in southern hainan province. on board is a probe that will aim for the first time to collect samples from the far side of the moon. the spacecraft will attempt to make a soft landing on the south pole aitken basin, one of the largest known impact craters in the solar system. it then hopes to return the samples successfully to earth. the journey is expected to take 53 days to complete. i m pleased to say former nasa astronaut, who was once the commander of the international space station, leroy chiao joins us now. leroy, always a delight to talk to you. i love talking to you about space, and give me your sense of how significant this is not only that china has launched this probe that it s be
applause so plenty of applause but let s run you through the details. it calls on all countries to transition away from the use of fossil fuels. but some governments feel this wording isn t strong enough. there is a recognition that global emissions will likely peak before 2025 and that for developing nations this may be later. but elsewhere, language appears to have been weakened, with the text reiterating rather than requesting developed countries give support to vulnerable nations facing climate change. sultan ahmed al jaber went on to praise the deal as an historic package . many said this could not be done. but when i spoke to you at the very start of this cop, i promised a different sort of cop. a cop that brought everyone together, private and public sectors, civil society, ngos, and public sectors, civil society, ngos, faith leaders, youth and indigenous peoples. everyone came together from day one. indigenous peoples. everyone came togetherfrom day one. everyo