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  • The United States and China are the greatest contributors of greenhouse gasses.
  • Catastrophic climate change can still be avoided if global temperatures increase less than 2ºC above pre-industrial levels.
  • Over the past 100 years the global average temperature has gone up by 0.74ºC.
  • The hottest years on record have occurred since 1990.
  • The ice of the Arctic sea has diminished to its lowest recorded levels.
  • WWF estimates that 2/3 of the polar bear population will disappear by 2050. (Source:

From coal to clean. Wind and solar power generation provides a clean alternative for future generations. Sydney, Australia.