It’s easy to feel blue about the state of the planet: temperatures are rising, extreme weather is more extreme, and Prince is dead. However, there is always cause for optimism on this spinning orb we call home, and so, to mark this Earth Day, we find some milestones to feel good about.

1. The Paris climate accord is on track.

OK, so we’ve heard the criticism — the agreement has voluntary targets, it doesn’t go far enough, and it ignores the needs of the poorest nations. But let’s just take a moment and acknowledge how remarkable it is that 195 nations got together and agreed to do something about climate change. Will it be enough to prevent the seas from lapping our doorsteps? Who knows! But, hey, Paris got everyone talking about the problem. It seems appropriate 175 nations signed the accord at a ceremony Friday.