The Earth Is Heating Up

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This HadCrut4 link illustrating “The Global Temperature Record” updated to January 2016 indicates “The average of the first five years of the present decade (2011-2015) is 0.051°C warmer than the average for 2001-2010.”

And “The period 2001-2010 (0.490°C above the 1961-90 average) was 0.216°C warmer than the 1991-2000 decade (0.274°C above the 1961-90 average).”

Hence warming has continued beyond the decades prior to 2010.

Further, temperature record varies by year. So real climate scientists show the trend over longer periods as well as establishing that recently “2015 is clearly the warmed year (0.745°C) with 2014 (0.567°C) second, slightly warmer than 2010 (0.559°C), 2005 (0.544°C) and 1998 (0.536°C).”

And in mid-November we learned from the World Meteorological Organization that 2016 is likely to beat 2015, 2014, 2010 and 1998 as the hottest on record. Sixteen of the last 17 hottest years have occurred in the 21st (this) century, all but 1998.
As stated in the first link above, the current consensus is “Increased concentrations of greenhouse gases in the atmosphere due to human activities are most likely the underlying cause of warming in the 20th century.

The warmth or coldness of individual years is strongly influenced by whether there was an El Niño or a La Niña event occurring in the equatorial Pacific Ocean (See this link for an explanation of this El Niño/La Niña effect. )

2015 was the hottest on record prior to 2016.

“For the first time in recorded history, the Earth’s temperature is clearly more than 1.0 C (1.8 F) above the 1850-1900 average.  2015 was approximately 0.1 degree C (about 0.2 degrees F) hotter than 2014, which had tied with 2005 and 2010 as the previous hottest years.  2015 set the record with 99.996% confidence.  The analysis covered the entire surface of the Earth, including temperatures from both land and oceans. The warming was not uniform, and for the contiguous United States, it was the 2nd warmest year ever (+1.33 C), surpassed only by 2012.”

July and August 2016 tied for being the hottest months on record.  You can see the graphs depicting the data here.

In a database of 3,116 cities provided by AccuWeather, about 90 percent of them were warmer than normal. Enter your city at the link to see how much warmer than normal it was in 2015. (Missoula, MT was 1.4 degrees hotter with 7  record highs and no record lows.)

Click here to sign the 80% renewable electricity by 2034 initiative.

Link showing how denialists misuse statistics to wrongly contend  that the earth’s not warming.

2014 Columbia River Gorge Forest Fire
2014 Columbia River Gorge Forest Fire. Photo used by permission of Gary Braasch. For more pictures by Gary on effects of climate change click here.

Page updated 9/9/2019.



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