Global WarmingGlobal WarmingPredicted EffectsPredicted Effects

Cory ChristieCory ChristieChristine MillerChristine Miller

Patty JehlingPatty JehlingTom JakackiTom Jakacki

Global WarmingGlobal Warming This presentation illustrates how global This presentation illustrates how global

warming and its effects of:warming and its effects of:

• Climate pattern changesClimate pattern changes• Health Health • Warming waterWarming water• Ecosystem disruption, and how these areas Ecosystem disruption, and how these areas

effect the following categories:effect the following categories:

Wildlife, vegetation, forests, human life, agriculture, Wildlife, vegetation, forests, human life, agriculture, and oceansand oceans

Climate Pattern ChangesClimate Pattern Changes

Consequence: Warmer temperaturesConsequence: Warmer temperatures• Average temperatures will rise as well Average temperatures will rise as well

as the frequency of heat waves.as the frequency of heat waves.

Since 1980, the earth has experienced 19 of Since 1980, the earth has experienced 19 of its 20 hottest years on record.its 20 hottest years on record.

Many places in North America had their Many places in North America had their hottest seasons or days on record in the late hottest seasons or days on record in the late 1990s.1990s.

Climate Pattern Changes contin.Climate Pattern Changes contin.

Consequence: Drought and wildfireConsequence: Drought and wildfire• Warmer water temperatures increase the Warmer water temperatures increase the

probability of drought. Greater probability of drought. Greater evaporation causes the increase of risk of evaporation causes the increase of risk of wildfires. wildfires.

The 1999-2002 national drought was one of The 1999-2002 national drought was one of the 3 most extensive droughts in the last 40 the 3 most extensive droughts in the last 40 years.years.

Dry conditions produces the worst wildfires in Dry conditions produces the worst wildfires in 50 years in Florida in 1998.50 years in Florida in 1998.

Climate Pattern Changes contin.Climate Pattern Changes contin.

Consequence: More intense Consequence: More intense rainstorms, floods. rainstorms, floods. • Warmer temperatures lead to more Warmer temperatures lead to more

intense rainfall.intense rainfall.

The series of floods that has hit the U.S. since The series of floods that has hit the U.S. since 1993 racked up over $25 billion dollars in 1993 racked up over $25 billion dollars in loses.loses.

National annual participation has increased National annual participation has increased between 5 and 10 percent since the early 20between 5 and 10 percent since the early 20thth century.century.

Health EffectsHealth Effects

Consequence: Deadly heat waves and the Consequence: Deadly heat waves and the spread of disease. spread of disease. • More frequent and more intense heat waves More frequent and more intense heat waves

could result in more hear-related deaths.could result in more hear-related deaths.

In 2003 extreme heat waves caused more then In 2003 extreme heat waves caused more then 20,000 deaths in Europe and more then 1,500 deaths 20,000 deaths in Europe and more then 1,500 deaths in India. in India.

Disease spreading mosquitoes are spreading as Disease spreading mosquitoes are spreading as climate shifts. climate shifts.

Thirty of the diseases that emerged in the last 20 Thirty of the diseases that emerged in the last 20 years may thrive in warmer and wetter weather. years may thrive in warmer and wetter weather.

Warming WaterWarming Water

Consequence: Melting glaciers, early Consequence: Melting glaciers, early ice thaw. ice thaw. • Rising global temperature speeds up the Rising global temperature speeds up the

melting of glaciers and ice caps. melting of glaciers and ice caps.

At the current rate all of the glaciers in At the current rate all of the glaciers in Glacier National Park will be gone by 2070. Glacier National Park will be gone by 2070.

Warming Water contin.Warming Water contin.

Consequence: Sea level rise. Consequence: Sea level rise. • Current rates of sea level rise are Current rates of sea level rise are

expected to increase, resulting in the expected to increase, resulting in the loss of the coastal wetlands, and more.loss of the coastal wetlands, and more.

The current pace of sea level rise is 3 time The current pace of sea level rise is 3 time the historical rate and is rising.the historical rate and is rising.

Ecosystem DisruptionEcosystem Disruption Consequence: ecosystems shifts and Consequence: ecosystems shifts and

species die-off. species die-off. • The increase in global temperatures is The increase in global temperatures is

expected to disrupt ecosystems and result in expected to disrupt ecosystems and result in the loss of species diversity.the loss of species diversity.

Over the past 25 years the penguin populations have Over the past 25 years the penguin populations have shrunk by 33%. shrunk by 33%.

In areas of California shoreline sea life is shifting In areas of California shoreline sea life is shifting northward probably in response to warming water. northward probably in response to warming water.

Global warming is likely to spur the disappearance of Global warming is likely to spur the disappearance of trout and salmon from as much as 18-38% by 2090. trout and salmon from as much as 18-38% by 2090.