Of all the platforms, researchers found YouTube to be the only one with a slight net positive effect on kids. (inc.com)
We find that without dramatic increases in the area of forests, without substantially positive changes in land - use practices, without large net positive effects of CO2 or climate change in the future, or without some other new significant carbon storage mechanism, the U.S. carbon sink itself will decrease substantially over the 21st century. (realclimate.org)
And we think people are basically good, and we think that that can have a net positive effect.» (theatlantic.com)