A May 26 Instagram video (direct link, archive link) shows an Australian broadcaster talking about climate change and economic policy on a talk show. "How much carbon dioxide is the problem," he asks.

John Locher/AP / AP The amount of planet-warming carbon dioxide in the Earth’s atmosphere has hit a new record, as humanity struggles to rein in emissions of greenhouse gasses from burning fossil ...

"CO2 is a trace gas in our atmosphere," the post is captioned. "Numbers say that all the nonsense we're subjected too in reference to it's effect and our contribution to the amount in the atmosphere ...

Last week, the media reported that atmospheric carbon dioxide is at its highest levels in more than 4 million years. Carbon dioxide in the atmosphere is one of the primary drivers of global warming.

A Feb. 7 Instagram post (direct link, archive link) shows Rep. Doug LaMalfa of California questioning a panel of transportation and construction experts about carbon dioxide at a congressional hearing ...

Earth’s atmosphere now has more carbon dioxide in it than it has in millions — and possibly tens of millions — of years, according to data released Thursday by the National Oceanic and Atmospheric ...

The small proportion of the atmosphere made up by carbon dioxide (CO2) is not evidence that its impact on the climate is limited, as suggested by social media posts claiming that rising CO2 is “not a ...

Carbon dioxide makes up only about 0.04% of the Earth’s atmosphere, but that seemingly small figure ignores threat CO2 poses to the climate. Carbon dioxide accounts for 79% of U.S. greenhouse gas ...