Global Climate Change What is it? Why should we care? What can we do? ?

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!