13K views · 421 reactions | Without the greenhouse effect, Earth's average temperature would be near 0°F (or -18°C). Human activities – particularly burning fossil fuels – are increasing the concentrations of greenhouse gases. This increase is extremely likely to have been the dominant cause of the observed warming since the mid-20th century. Details: https://climate.nasa.gov/causes/ | NASA Climate Change | Facebook

Spring has sprung! Bringing with it warmer temps, flower blooms and…carbon dioxide? To understand how spring weather patterns in the Eastern U.S. affect the transport of greenhouse gases in Earth’s changing climate our researchers are flying into action. Get the details: https://go.nasa.gov/2pzzi52 | NASA - National Aeronautics and Space Administration

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