Australasian Science: Australia's authority on science since 1938

Climate Deal Signed in Paris

By NZSMC

After two weeks of negotiating, the representatives of more than 190 nations have settled on a agreed plan to tackle climate change.

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The agreement sets the goal of limiting the world's rise in average temperature to "well below 2 degrees Celsius above preindustrial levels and pursuing efforts to limit the temperature increase to 1.5 degrees Celsius".

Countries will be required to report on "national inventories of emissions by source" and also to report on their mitigation efforts.

Professor James Renwick, Climate Scientist, School of Geography, Environment and Earth Sciences, Victoria University, comments:
"The Paris Agreement is a great achievement, the most positive thing to come out of the COP negotiations to date. The call for transparency, continual ratcheting up of emissions targets, and the provisions for climate finance, are very positive outcomes.

"Great to see (in article 4) that developed countries shall undertake “economy-wide absolute emission reduction targets”. Take note, New Zealand – no hot-air credits, actual emissions reductions are required. But, targets remain voluntary and the required actions remain daunting.

"The review of a 1.5°C warming limit may come too late as we are well on the way to 1.5°C with present greenhouse gas levels. Staying below 2°C warming is a big ask, but this document provides a framework for action. Now we just need the action."

Professor Ralph Sims, Director, Centre for Energy Research,...

The full text of this article can be purchased from Informit.