The majority of climate change experts, environmental groups and organizations say that global warming is caused by greenhouse gas emissions due to human activity, which is causing significant damage to the Earth, a small minority, however, argue that the possible impact has not yet been proven.
Almost all global environmental agreements depend on individual action and determination to implement them.
Norway has been Western Europe's main oil producer for decades. Recently Oslo committed itself to becoming carbon-neutral two decades ahead of the set date, despite the fact that this bold step may cost the affluent Nordic country billions of dollars.
Global warming is undoubtedly the greatest threat to the Arctic's fragile environment. Rising temperatures have so far been largely blamed on methane escaping from the seabed. However, Norwegian scientists argue that the greenhouse gas might not necessarily be the culprit.