Ten Clear Indicators Our Climate is Changing

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Few global trends have been as controversial as climate change and the Earth’s warming. The Earth has gone through many shifts in cooling and warming driven by natural factors like the sun’s energy or variations in its orbit, but the trend scientists have seen over the past 50 years is unmistakable.

Let’s take a closer look: globally, average surface temperatures increased 0.6—0.9 degrees Celsius between 1906 and 2005. However, it’s the rate of temperature change that’s especially troubling to scientists; temperatures have risen nearly twice as fast in the last 50 years alone.

What other ways has our climate system changed in the last century? How do we really know our climate is changing permanently, rather than just going through a normal period of flux? Between opinions from climate deniers and misinformation campaigns from the fossil fuel industry, it can be a challenge to get the unobstructed facts.

To help set the record straight, we’ve looked at 10 major changes scientists have seen in our climate system:
– Air temperatures over land are increasing
– Air temperatures over oceans are increasing
– Arctic sea ice is decreasing
– Glaciers are melting
– Sea levels are rising
– Humidity is increasing
– Ocean heat content is increasing
– Sea surface temperature is increasing
– Snow is decreasing
– Earth’s lower atmosphere temperature is increasing
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Check also this Climate Reality Project’s fact sheet with a detailed description of each indicator. They have been extensively studied over the past several decades, and were captured from many different data sets and technologies.
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ACRP

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