Global Warming - NASA Earth Observatory
Global warming is happening now, and scientists are confident that greenhouse gases are responsible. To understand what this means for humanity, it is necessary to understand what global warming is, …
World of Change: Global Temperatures - NASA Earth Observatory
Generally, warming is greater over land than over the oceans because water is slower to absorb and release heat (thermal inertia). Warming may also differ substantially within specific land masses and …
Climate Q&A - NASA Earth Observatory
If Earth has warmed and cooled throughout history, what makes scientists think that humans are causing global warming now? The first piece of evidence that the warming over the past few decades …
If Earth has warmed and cooled throughout history, what makes ...
May 4, 2010 · If Earth has warmed and cooled throughout history, what makes scientists think that humans are causing global warming now? The first piece of evidence that the warming over the past …
Four Graphics (and a Book) that Help Explain Climate Change
Jan 25, 2016 · Physicist Spencer Weart offers a detailed but understandable account of the history of climate science research in his book The Discovery of Global Warming. You can read an extended …
The Rising Cost of Natural Hazards - NASA Earth Observatory
Disaster-related economic losses topped $145 billion in 2004, the latest in a disturbing upward trend. Has climate change increased the number and severity of natural disasters, or is the rising cost of …
Charting the Exceptional, Unexpected Heat of 2023 and 2024
Nov 19, 2024 · To calculate Earth’s global average temperature changes, NASA scientists analyze data from tens of thousands of meteorological stations on land, plus thousands of instruments on ships …
Solar Radiation and Climate Experiment (SORCE) Fact Sheet
Since pre-industrial times, it’s thought that the Sun has given rise to a global heating similar to that caused by the increase of carbon dioxide in the atmosphere. If the past is any indication of things to …
Five Factors to Explain the Record Heat in 2023 - NASA Earth …
Jan 12, 2024 · Looking more broadly, the tropical Pacific wasn’t the only part of the ocean that was hotter than normal this year. The global sea surface temperature set new records in 2023, with the …
Climate and Earth’s Energy Budget
Jan 14, 2009 · Global average surface temperature has risen between 0.6 and 0.9 degrees Celsius in the past century, and it will likely rise at least 0.6 degrees in response to the existing energy imbalance.