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Many of us have heard the assertion that 97 percent of scientists agree that climate change or anthropogenic global warming (AGW) is being caused by emissions of greenhouse gasses that result from our modern lifestyle. Since some have questioned the validity of that statistic, this article seeks to understand where the 97 percent figure comes from.
he aim to limit global warming to two degrees of pre-industrial levels is "crazy" and "a prescription for disaster", according to a long-time NASA climate scientist. The paleo-climate record shows sea-levels were six to eight metres higher than current levels when global temperatures were less than two degrees warmer than they are now, Professor James Hansen, formerly head of NASA's Goddard Institute for Space Studies and now at Columbia University in New York, said.
Officials at Boston Logan International Airport have announced a broad multimillion-dollar plan to make the airport, which is almost surrounded by water, more environmentally sustainable and resilient in the face of climate change.

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Welcome to Climate Change Monitoring

The Climate Change Monitoring Services (CCMS) is taking steps to bring this evidence to the public's attention, with the goal of building support for action to reduce the heat-trapping gas emissions that cause global warming. We have developed - and always updated - a world map, viewable online and also available as an Online Maps, that shows where the fingerprints and harbingers of global warming have occurred in recent years. By showing the local consequences of climate change, it brings the message home effectively.

Frustrated because a friend or colleague says global warming is the future's problem?

Compelling new evidence demonstrates that global warming is already under way with consequences that must be faced today as well as tomorrow. The evidence is of two kinds:

  • Fingerprints of global warming are indicators of the global, long-term warming trend observed in the historical record. They include heat waves, sea-level rise, melting glaciers and warming of the poles.
  • Harbingers are events that foreshadow the impacts likely to become more frequent and widespread with continued warming. They include spreading disease, earlier spring arrival, plant and animal range shifts, coral reef bleaching, downpours, and droughts and fires.

Climate Change events

Weather Clouds

Coral Bleaching

Disease

Drought

Glacier Melting

Heatwave

Heavy Storm

Methane efflux

Migration

Polar Melting

Sea-level Rise

WaterWar