The UK continues to meet its reduction targets set in Kyoto in 1990, and its reductions are so massive that it now uses less CO2 per capita than it did in 1900. The UK also has had one of the highest per capita economic growth rates over that time period in the developed world, higher than the US for example. France really has no need of cuts, because its per capita CO2 emissions were already so small (about 4/5th lower for each individual than in the US or Australia). This blanket statement is incorrect.
Evidence disagrees. Chinese coal consumption is declining ever so gradually (~1% annually) despite their economy growing as normal. In fact their overall co2 emissions are slowly falling as well. Its an open question whether this is going to continue or if this is just a false peak, but if their commitment to renewable and green energy is a predictor then they may fall below the us emission level relatively soon.
Don't forget Africa!
Enteric fermentation is still a big problem, but it's a problem for another day- the only reason to solve it now is if it truly is as simple as feeding cows seaweed. That seems highly suspect but I have yet to see anyone accuse it of failing the sniff test.
Which is absolutely true, but no one (basically) is doing it. And the U.S. is moving in the right direction in some metrics (solar, wind) but the wrong in many others (urban planning (https://www.vox.com/energy-and-environment/2017/8/22/1617782...), nuclear (https://www.technologyreview.com/s/603647/meltdown-of-toshib...), and politics (Trump, Cruz, etc.)).
So while I agree with the proposed solution, no one else does, and even then we have to deal with China and India joining the developed world and what that means for CO2 emissions.