I don't follow US politics closely, I'm sure there's a lot going on there that the rest of the world can learn from. If this was around October 2018 then it's probably a reference to the
IPCC: SR1.5 - Special Report: Global Warming of 1.5 C
The 2019 backdrop to all of this is something that surprises me,
school children are now protesting about Climage Change:
https://www.nationalgeographic.com/e...ave-the-world/.
I found a few more interesting events in London:
It's interesting to see that hybrid designs are being looked at beyond road vehicles (Toyota Prius are very common over here):