In this week’s fact-checking video, CNN’s Jake Tapper and FactCheck.org review the accuracy of President Donald Trump’s tweet about the modernization of the U.S. nuclear weapons program.
Locations: International
Earth Won’t Go Dark for Days
CO2: Friend or Foe to Agriculture?
Rep. Lamar Smith said climate change “alarmists” ignore the “positive impacts” of more carbon dioxide in the atmosphere, such as increased food production and quality. But the impact of increased CO2 levels on agriculture is more complicated than that — and, on balance, likely negative, particularly in the future.