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How much warming has occurred since first Earth Day in 1970?

12:00 AM
April 23, 2022

Earth Day
How much warmer since 1970?

The U.S. has warmed 2.6 degrees F since the first Earth Day was celebrated in 1970.© Climate Central

As we celebrate Earth Day, hopefully with actions that stick beyond the day, we’d like to take a look back and show you how much the U.S., different states, and cities have warmed since the celebration started on April 22, 1970. Spoiler… about 99% of the cities analyzed have warmed.

We know and have noticed, how many changes (many abrupt) our weather has. Drastic and often varying weather ultimately brings changes in climate which ultimately affects everything around us. Think of climate change as the whole topic and extreme drought, global warming (temperatures rising), extreme floods, etc. as the subtopics. It’s like a butterfly effect.

The warming of our planet contributes to many crucial changes. It’s been proven that the most significant warming has come since the industrial revolution. Scientists have isolated the different factors that have contributed to the temperature increase and, without a doubt, humans are the cause of this drastic warming.

CO2 concentrations have increased nearly 30 percent since 1970.

As we have seen more catastrophic weather events happening, more people have become aware of the need to work together for a common cause. The warming temperatures are what we humans usually notice first. Seasons are shifting, with winter becoming shorter across many parts of the south while many industries, like winter sports, are directly affected by the lack of solid precipitation.

In an in-depth analysis by Climate Central, a nonprofit organization, data shows that since 1970, the average temperature of the United States has risen by 2.6 F. The fastest warming state is Alaska, with a temperature 4.3 degrees F higher than in 1970. And to zoom in even closer, the fastest-warming city was Reno, Nev., with an increase of 7.7 degrees F. Overall, 244 of 246 of the cities analyzed have warmed since 1970, and 69 percent have experienced at least a 2- degree F warming.

What can you do?

Earth Day’s first celebration started in 1970. Since then, many efforts to help our planet heal itself have been born.

Warming is one of many ways that continued emissions of heat-trapping gases like CO2 impact our planet, our communities, and our food and water supplies. Each one of us can help curve emissions. Here are 3 easy steps that could help you reduce your emissions. We can all put our part to limit the warming of our atmosphere.

  • Limit your car trips. Ideally, having an electric vehicle would reduce your CO2 footprint significantly, but perhaps you can think about how organizing your schedule to shorten car trips can help reduce your footprint and save you money.
  • Try composting. Every year 108 billion pounds of food are wasted in the U.S. The EPA estimated that each year, U.S. food loss and waste embodies 170 million metric tons of carbon dioxide equivalent (million MTCO2e) GHG emissions (excluding landfill emissions) – equal to the annual CO2 emissions of 42 coal-fired power plants.
  • Recycle, reuse, reduce. Think about all the activities you do in a day. When you can’t recycle, then try to reuse (think about that water bottle or plastic bag), when you can’t reuse, then reduce the use of the activity or habit.
Irene Sans
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