A team of scientists & activists, in & around Yellowstone National Park. 501c3. Posting photos, ideas & solutions, because together, we can change the world.
Please report malicious trolls & imposters.
We are AltYelloNatPark™️
Born when atmospheric CO2 was 315 ppm. It’s now about 427 ppm, an increase of 35.5% and an increase of 52.5% over the pre-industrial levels around 280 ppm.