I have been described as the grandfather of climate change. In fact, I am just a grandfather and I do not want my grandchildren to say that grandpa understood what was happening but didn't make it clear.

The democratic process is supposed to be one person one vote, but it turns out that money is talking louder than the votes.

The fact is fossil fuel carbon will stay in the surface climate system for millennia.

I've tried to be a straight scientist doing the science and reporting it as best I can.

If we drive our fellow species to extinction, we will leave a far more desolate planet for our descendants than the world we inherited from our elders.

We have known since the 1800s that carbon dioxide traps heat in the atmosphere. The right amount keeps the climate conducive to human life.

Coal is the single greatest threat to civilization and all life on our planet.