There is overwhelming scientific evidence that Earth is warming and a preponderance of scientific evidence that human activities are the main cause.
Considering some locations experience temperature swings of 30°F or more in a single day, warming of 1.8°F (1°C) might seem small, but Earth's annual temperatures are very stable when climate isn't changing.
Our global historical temperature records undergo rigorous quality control and independent peer review. Plus, the proof Earth is warming is practically everywhere you look.
International, authoritative climate report states 2018 was the fourth warmest year on record.
September 2018 was the second-highest on record, and all five years since 2014 have been warmer than any prior records.
Ice cover on the Great Lakes has been decreasing since the 1970s, affecting everything from fishing to shipping.
With long ranges and adaptive capabilites, saildrones provide researchers with a new tool in their toolbox for collecting data in remote and hard to reach parts of the ocean.
In 2016, daily temperatures in Alaska that were warmer than average outnumbered those that were cooler than average by a 9 to 1 ratio.
Providing more timely and accurate information over the western hemisphere, total lightning mapping, and higher resolution images streaming down from space more often, the new GOES satellite marks the first major redesign of the nation’s operational Earth-observing technology in more than 20 years.