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so, we re going to start with talking about where we are now, and i wanted to start with you, danielle. so, before we get started on the solutions, can we outline the challenge here? the international governmental panel on climate change has said that in order to avoid the worst ravages of the heating associated with climate change, we need renewable resources like solar and wind to provide 85% of global electricity by 2050. but where are we now, and what s the scale of the challenge that faces us? so, danielle, tell me a bit about how close we are to that 85% target? well, the good news is that wind and solar power have doubled in the last five years due to their plummeting costs. now, nearly one tenth of the world s electricity comes from wind and solar together. but if i think about it from the wind perspective, at roughly 8%, we have to get 40 plus, 40 50%. that s a huge leap from where we are today, to meet our net zero goals by 2050. so lots of work yet to do.