A Dec. 17 Facebook post (direct link, archive link) claims a CO2-driven greenhouse effect is not causing modern climate change. "The greenhouse effect is a hoax," reads the post's caption. "There is ...

Studying ice cores from Antarctica, scientists of the Alfred Wegener Institute for Polar and Marine Research extended the record of historic concentrations of carbon dioxide, methane and nitrous oxide ...

Researchers have demonstrated a room-temperature method that could significantly reduce carbon dioxide levels in fossil-fuel power plant exhaust, one of the main sources of carbon emissions in the ...

I often hear something from those uncertain about the danger of our significant greenhouse gas emissions. They, in honest uncertainty, see that temperatures have cycled up and down before humans were ...

A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth’s surface temperature has changed over the past 485 million years. In a paper ...

The Paleocene-Eocene Thermal Maximum (PETM) was a 200,000 year long period 55.5 million years ago (55.5mya) at the transition from the Paleocene Epoch to the Eocene Epoch on the geological timescale, ...

Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have demonstrated a room-temperature method that could significantly reduce carbon dioxide levels in ...