Humanity is facing a challenge unlike any we've ever had to confront. We are in an unprecedented period of change.

Birds are, especially canaries, are super sensitive to hydrogen sulfide and sour gas.

Doing all we can to combat climate change comes with numerous benefits, from reducing pollution and associated health care costs to strengthening and diversifying the economy by shifting to renewable energy, among other measures.

Human beings are often at their best when responding to immediate crises - car accidents, house fires, hurricanes. We are less effective in the face of enormous but slow-moving crises such as the loss of biodiversity or climate change.

We no longer see the world as a single entity. We've moved to cities and we think the economy is what gives us our life, that if the economy is strong we can afford garbage collection and sewage disposal and fresh food and water and electricity. We go through life thinking that money is the key to having whatever we want, without regard to what it does to the rest of the world.

Just as fossil fuels from conventional sources are finite and are becoming depleted, those from difficult sources will also run out. If we put all our energy and resources into continued fossil fuel extraction, we will have lost an opportunity to have invested in renewable energy.

If all humans disappeared today ,the earth would start improving tomorrow.If all the ants disappeared today ,the earth would start dying tomorrow.