It's been uneven. For example, before the clean air and water act the Cleveland River was on fire and you couldn't see through the smog in Los Angeles. Lately,

It's been uneven. For example, before the clean air and water act the Cleveland River was on fire and you couldn't see through the smog in Los Angeles. Lately, Greenland announced the end of oil exploration, just one example of progress. We are learning as we go. We recently discovered the coral of The Great Barrier Reef is dying. I believe we will find solutions like we have in the past.