For those who still doubt or deny the existence of global warming, or who are not convinced that burning of fossil fuels is contributing to the heating of the planet, here are a few facts and figures* to consider:
Land Temperatures: 2016 marks the 40th consecutive year that the average global temperature has been above the 20th century average. The January-July 2016 global land surface temperature was 1.66°C (2.99°F) above the 20th century average. 15 of the 16 warmest years on record have occurred since the year 2000.
Sea Surface Temperatures worldwide have mirrored the year-to-year increases in land temperatures. The January-July 2016 ocean surface temperatures were 0.79°C (1.42°F) above average, the warmest in the last 137 years.
Sea Level Rise has been slow but steady, having risen 7 inches (17.78cm) since 1900. The UN estimates an additional 2.5 to 6.0 foot sea level increase by 2100, depending on how rapidly the ice caps and glaciers melt. Some of the Marshall Islands and other low-lying atolls already have been vacated due to sea level rise. Miami has been flooding at high tide.
Ice Caps & Glaciers are melting and shrinking fast. The Greenland Ice Sheet is losing ice at the rate of 270 billion tons a year, and glaciers around the world lose another 400 billion tons each year.
Ocean Acidification: The world’s oceans absorb a quarter of all CO2 emissions from fossil fuel burning. When CO2 mixes with seawater, a chemical reaction increases the acid content of the water. Ocean acidity has increased 30% in the past 200 years, softening the shells of oysters, clams, and other calcifying species, threatening the world’s food chain, and eroding coral reefs.
Increase of the CO2 Level in the atmosphere caused by the burning of oil, gas, and coal has increased from 280 parts per million (ppm) preindustrial, to over 400 ppm, creating a greenhouse effect that radiates heat back to earth.
Storms, Floods, & Droughts get more robust and last longer as the planet’s oceans, land, and air get hotter.
Snowpack Levels in mountain ranges throughout the world, including the Sierra Nevada, the Rockies, the Alps, and the Himalayas are getting thinner and melting faster, providing less water to populations relying on the runoff.
Carbon Emissions into the atmosphere from the burning of oil, coal, and gas exceed 9.7 billion tons per year. 97% of publishing climate scientists around the world concur that the rapid increase in global warming is due, at least in part, to human activity, namely the unrestrained burning of fossil fuels. 200 worldwide scientific organizations hold that climate change has been caused by human action. Unfortunately, the heating of earth over the past 100 years indicates the planet will keep getting hotter until the burning of fossil fuels to run our cars and factories can be replaced by non-polluting alternative sources of energy such as wind and solar.
*Data as reported by NASA, NOAA, the UN Intergovernmental Panel on Climate Change, and as published in scientific journals.