Trees can help to combat climate change, but determining what to plant and where is complex — and whether to plant them at all is a growing debate.
The big picture: Protecting, planting and restoring forests can help offset global warming, but experts stress that greenhouse gas emissions still have to be dramatically cut to reach climate goals for the planet.
This September was the hottest recorded on Earth since 1880, the National Oceanic and Atmospheric Administration announced Wednesday.
Why it matters: It's another indicator of the impact of human-induced climate change. The data also illustrate this year is on pace to be among the hottest recorded, with the possibility of tying or breaking the record, set in 2016.