carbon

Situation Brief The Development In Greenhouse Gas Emissions From Industrial Aviation 2019, Revised 2022 White Papers

In 2015, Senator James Inhofe, an Oklahoma Republican, famously lobbed a snowball in the Senate as he denounced climate science. Indeed, we know that distinct mechanisms caused the climate to change in the past. Glacial cycles, for example, have been triggered by periodic variations in Earth’s orbit, which take place over tens of thousands of years and transform how solar power gets distributed around the globe and across the seasons. Fifty million years ago, alligators lived in what we now contact official website the Arctic. And for the last two.6 million years, the planet has cycled among ice ages when...