Elon Musk and climate change; Joe Biden launches '100 days mask challenge' In order to contain the further outbreak and combat the pandemic, newly appointed US President Joe Biden has launched a full-scale wartime effort against COVID-19 in the US. 0 claps Climate change has been the hottest topic of the last decade, pun intended. And now, Elon Musk has joined the battle to fight for the planet as well. The Tesla CEO tweeted on Thursday that he is going to donate $100 million for the best Carbon Capture Technology or CCT. CCT helps in trapping carbon dioxide at the source of its emission and transporting it to a storage facility and isolating it. This, experts believe, can pave the way for a much greener future.