Global Warming

Merete Stene

Global Warming 101

Is human activity to blame for global warming or not?

Yes – Humans Are Responsible

• CO2 levels have gone up since the industrial revolution

• Current CO2 levels are unprecedented

• Humans are responsible for deforestation

• IPCC’s climate report states that humans are very likely the cause

No – Humans Are Not Responsible

• Temperatures have risen prior to the CO2 levels

• Temperatures decreased for 4 decades after WWII

• This is not the first time the earth warms up

• Nature is the main source of CO2• Global warming is a political

ideology

Importance

• Will have significant impact on the world• Can affect future generations

How To Improve It?

• Requires change in values• Focus on sustainable development– Using renewable energy– Limiting pollution– Recycling materials

The Proof Is Everywhere

• Humans are responsible• Look at facts – pieces of

a puzzle that fit together

CO2 Levels and Temperatures

Temperatures

SO2