global climate change what is it? why should we care? what can we do? ?
TRANSCRIPT
Global Climate Change
What is it?Why should we
care?What can we do?
?
What is climate?
Weather – short time, small areaIt’s raining here today.It’s been cold this week.
Climate – long time, big areaAlaska is cold and wet.The Sahara Desert is hot and dry.
Does Earth’s climate normally change?
Warmest Years Since 1890
1. 2005
2. 1998
3. 2002
4. 2003
5. 2006
Our planet is warming up faster than it ever has before!
NASA, 2007
What’s causing this super-fast warming?
The Greenhouse Effect
Earth’s Changes Over Time
Temperature Carbon Dioxide
Today
How does climate change affect people, plants, and animals?
Honeycomb Glacier, WAArctic Melt
What can we do to reduce human effects on climate change?
Now it’s your turn!
You understand climate change.
You know the problems it can cause.
You know ways to help.What are you waiting
for!