Koen Helwegen

Koen Helwegen

Koen Helwegen
Meer idee├źn van Koen
Heartland Power Cooperative Solar Panel Installation

Heartland Power Cooperative Solar Panel Installation

US Defense: Security Implications Climate Change

US Defense: Security Implications Climate Change

Wikileaks files on Syrian Drought

Wikileaks files on Syrian Drought

The Conversion of a Skeptic

The Conversion of a Skeptic

Forbes - The Rise And Fall of Climate Change Denial

Forbes - The Rise And Fall of Climate Change Denial

BP: Tax Carbon

BP: Tax Carbon

The Daily Show - Burn Noticed - YouTube

The Daily Show - Burn Noticed - YouTube

Christopher Hitchens gives his view on Climate Change

Christopher Hitchens gives his view on Climate Change

Interview with Kevin Anderson at COP21

Interview with Kevin Anderson at COP21

Earth is 'experiencing a global warming spurt'

Earth is 'experiencing a global warming spurt'