Climate Change is Real

Here are some notable examples of climate change and their impacts, along with references for further reading:

1. Rising Global Temperatures:
   • Average global temperatures have increased by about 1.2°C since the late 19th century, largely due to human activities.
   • Reference

2. Melting Ice Caps and Glaciers:
   • The Arctic sea ice extent has decreased significantly, with 2020 showing the second-lowest extent on record. Glaciers worldwide are retreating at alarming rates.
   • Reference

3. Ocean Acidification:
   • Increased CO2 levels are leading to higher acidity in ocean waters, impacting marine life, particularly organisms with calcium carbonate shells or skeletons.
   • Reference
4. Extreme Weather Events:

• There has been an increase in the frequency and intensity of extreme weather events, including hurricanes, droughts, and heatwaves. For example, Hurricane Harvey (2017) was linked to climate change due to increased sea surface temperatures.
  • Reference

5. Sea Level Rise:
   • Global sea levels have risen by about 8-9 inches (21-24 cm) since 1880, threatening coastal communities and ecosystems.
   • Reference:

6. Species Extinction:
   • Climate change is a significant driver of biodiversity loss, with many species facing extinction due to habitat loss, changing ecosystems, and altered food sources. For instance, polar bears are increasingly threatened by melting sea ice.
   • Reference
   • Migratory birds are especially affected by the change of climate.
   • Reference

7. Shifts in Ecosystems:
   • Many ecosystems are experiencing shifts due to changing climate conditions. For example, forests in the western U.S. are facing increased wildfires and pest outbreaks, exacerbated by warmer temperatures and drought.
   • Reference:

• 8.Seattle Summer:
  • Forty years ago, a Seattle summer was two weeks at the end of May. The rest of the year was gloomy and drizzly.
  • Now, summer lasts from May until late September and it’s pleasant and partly sunny. Occasionally, it even rains, but it’s mostly dry. Gardeners have to water, lawns die.
  • Reference

These examples illustrate the diverse and far-reaching impacts of climate change on the planet and its ecosystems.

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