Climate Change Is Accelerating Faster Than We Can Respond, Scientists Warn

The State of the Climate, an annual report that tracks the Earth’s “vital signs,” monitors several climate related indicators—ranging from greenhouse gas concentrations and temperature changes to tree cover loss due to wildfire. The researchers found that, of the 16 planetary vital signs, seven are currently at record extremes. This includes sea levels and greenhouse gasses in the atmosphere. Meanwhile several others, such as areas burned during wildfires and ocean heat levels, show evidence of acceleration or abrupt shifts.

The researchers warn that the rate of global warming appears to have accelerated, from about 0.05°C per decade between 1880 and 1970 to roughly 0.36°C per decade between 2010 and 2024—and the 2°C threshold meant to limit planetary damage could be reached before 2050 they warn. These accelerating and intensifying changes could raise the risk of reinforcing feedback loops and crossing tipping points—critical thresholds that, when crossed, can lead to accelerating and often irreversible environmental changes. In 2025, the Earth passed its first climate tipping point, as rising ocean temperatures, acidification, overfishing, and pollution are combining to cause coral bleaching and mortality.

This year, a number of extreme weather events made the impacts of an acceleratingly warming planet impossible to ignore. July 2026 was the hottest month on record for the contiguous United States, with ocean temperatures also reaching a record high that month. Back-to-back heat waves in Europe lead to an estimated 35,000 excess deaths, preliminary reports show. A number of regions—including Utah in the U.S., Ontario, Canada, along with France, Spain, Britain, and Belgium have either experienced their worst wildfire years in history or are on track to do so. While we don’t yet know enough to link these individual weather events to climate change, research shows that it is supercharging extreme weather events.

Concentrations of greenhouse gases—including carbon dioxide, methane, and nitrous oxide—all reached record levels in 2026, the researchers say. In May 2026, atmospheric carbon dioxide exceeded 428 parts per million, roughly 50% above pre-industrial levels and generally higher than any time in the last 2 million years.

The authors of today’s report also tracked indicators of the human activities driving these planetary changes, like energy use, food production, and economic growth. Fossil fuel consumption remains the dominant driver of these changes. Fossil fuel consumption rose by 0.9% in 2025, the report found, with oil, coal, and gas all reaching record highs, and annual energy-related carbon dioxide emissions surpassed 41 gigatons for the first time—the equivalent of emissions released by over 10,800 coal-fired power plants in one year.

There have, however, been some signs of progress, the report notes. Low-carbon sources provided roughly 43% of global electricity generation in 2025, and solar and wind energy consumption grew by approximately 18%. That was before the war in Iran laid bare the world’s reliance on fossil fuels, and triggered a global green energy boom.