The affects of Global Warming

By:Pete Jitrskul

How Global Warming affects the environment

Global Warming(Global Climate Change)already has visible effects on the environment, glaciers have decreased in size, ice on bodies of water are breaking up earlier, plants and animal ranges have shifted and trees are flowering sooner .The effects that scientists in the past have predicted are now happening,decrease of sea ice, accelerated sea level rise and longer more intense heat waves.(picture taken in Antartica)

In the future...

Scientists predict that global temperatures will continue to rise for decades to come., largely do to greenhouse gases produced by human activity.The IPCC include 1,300 scientists from the U.S. and other countries,this IPCC predicts the rise of 2.5 to 10 degrees Fahrenheit over the next century.*The IPCC say that the extent of climate change will vary over time,with the ability of different environmental systems to adapt.The IPCC says that as a whole the range of published evidence states that the net damage cost(s) are likely to be significant and increase over time.

*The IPCC is the intergovernmental Panel on Climate Change

Why is one degree of climate change such a big deal?

It's a Big Deal

There has only been a 1 degree change of average climate temperature ,whats the big deal?Well first of all Earth's climate records have been preserved through tree rings, ice cores and coral reefs, showing the ability to keep stable climates over long periods of time and a few degrees can have a great impact on the Earth's environment.For example at the end of the last ice age northeast U.S. was covered by more than 3,000 ft of ice, but the average temperatures were only 5-9 degrees lower than today.
Below are some of the impacts visible int he U.S. according to the third National Climate Assessment Report, released by the U.S. Global Change Research Program.

Northeast. Heat waves, heavy downpours and sea level rise pose growing challenges to many aspects of life in the Northeast. Infrastructure, agriculture, fisheries and ecosystems will be increasingly compromised. Many states and cities are beginning to incorporate climate change into their planning.

Northwest. Changes in the timing of streamflow reduce water supplies for competing demands. Sea level rise, erosion, inundation, risks to infrastructure and increasing ocean acidity pose major threats. Increasing wildfire, insect outbreaks and tree diseases are causing widespread tree die-off.

Southeast. Sea level rise poses widespread and continuing threats to the region’s economy and environment. Extreme heat will affect health, energy, agriculture and more. Decreased water availability will have economic and environmental impacts.

Midwest. Extreme heat, heavy downpours and flooding will affect infrastructure, health, agriculture, forestry, transportation, air and water quality, and more. Climate change will also exacerbate a range of risks to the Great Lakes.

Southwest. Increased heat, drought and insect outbreaks, all linked to climate change, have increased wildfires. Declining water supplies, reduced agricultural yields, health impacts in cities due to heat, and flooding and erosion in coastal areas are additional concerns.

The above text is taken directly from NASA and I hold no credit from it