My second year of teaching a class on the history of climate change has made certain truths about our planet even more vivid and personal to me.
James Hansen's ground-breaking 1988 testimony on man-made climate change still resonates as a key moment in recent American history.
We should stop deluding ourselves that simple individual actions are going to solve environmental problems. It will take huge, systemic change.
It is becoming increasingly difficult to envision climate change as anything other than a catastrophic problem that will soon monopolize all our lives.