The Earth Statement warns of tipping points in the Earth’s meta-systems.
Credit: Thinkstock

Scientists are calling on world leaders to sign up to an eight-point plan of action at landmark talks in Paris.

The key element is the goal to limit global warming to below 2C by moving to zero carbon emissions by 2050. (emphasis added)

The UN meeting in December is “the last chance” to avert dangerous climate change, according to the Earth League.

Scientific evidence shows this can be achieved, but only with bold action now, says an alliance of climate researchers from 17 institutions.

The statement involves eight calls for action:

• Limiting global warming to below 2 degrees Celsius

• Keeping future CO2 emissions below 1,000 gigatonnes (billion tonnes)

• Creating a zero-carbon society by 2050

• Equity of approach – with richer countries helping poorer ones

• Technological research and innovation

• A global strategy to address loss and damage from climate change

• Safeguarding ecosystems such as forests […]