U.N. scientists report world has barely ten years before climate disaster. Does this worry anyone besides me?

That is the day the collective business light bulb is switched on. On that day torrential rain will flood coal mines, it will flood roads from Petroleum Reserves, it will cut power to businesses and it will make millions homeless. They will not be able to work and will have no money.

What plausible new technologies would most increase the chances of world peace between now and 2050?

I would say any technology that is related to Disaster Management and Control, any to do with water and food production and any technology that involves Civil Defense will all be in demand.