Global Warming Merete Stene. Global Warming 101 Is human activity to blame for global warming or...

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