United Nations warns world must take "unprecedented" steps on global warming

Gas boiler

Gas boiler

With global temperatures around 1°C (1.8°F) above pre-industrial levels at present, severe forest fires, hurricanes, and droughts are already ravaging nations around the world.

"Limiting warming to 1.5ºC is possible within the laws of chemistry and physics but doing so would require unprecedented changes", says Jim Skea, co-chair of IPCC Working Group III, which worked on the report.

And she said: "Today's report by the IPCC makes clear that avoiding unsafe climate change will require a transformational effort, and that is precisely what Labour is offering - a plan to rapidly decarbonise our energy system as part of a green jobs revolution, and a long term target of net zero emissions before 2050".

Matthew Spencer, Oxfam's director of campaigns and policy said: 'Climate change has set our planet on fire, millions of people are already feeling the impacts, and the IPCC is clear that things could get much worse without immediate action.

Camera IconFederal Environment Minister Melissa Price.

"We welcome the conclusions of this historic report, one that should give the global community not just a wake-up call, but also hope that we can avoid the most devastating impacts of climate change", said Bill Hare, Climate Analytics CEO.

There's only twelve years left to avert climate change disaster, and Scott Morrison's still throwing around words like "nonsense".

The latest research by the world's leading body on climate change highlighted that the promises countries have made so far to cut their emissions would put the world on track for 3C of warming by the end of the century.

Prime Minister Scott Morrison stressed that the report did not "provide recommendations to Australia" and his Government's focus would be ensuring that electricity prices were lower for households and small businesses.

Still, Cleetus says that we have most of the technology we need to make the change. "Sometimes they want to save it from global warming, other times they say they want to save it from global cooling". Among them, sea level rises would be around 48cm if the temperature was 1.5C and 56cm for 2C.

WA's Ningaloo Reef could be wiped out within three decades unless fossil fuels are phased out and the world changes dramatically to deal with a warming planet, according to a landmark report. "We discussed, for instance, how much land would need to be diverted from agriculture to forestry (for creating carbon stocks) for capturing carbon, or growing biofuel", the person told The Hindu. By 2100, global sea level rises would be 10 cm lower with global warming of 1.5°C compared with 2°C, and coral reefs would decline by 70-90% with global warming of 1.5°C, whereas virtually all (99%) would be lost with 2ºC.

With a global temperature increase of 1.5C, there would be a 16 per cent increase in the number of hot days whereas with 2C, this rises further to 25 per cent.

The report, fully titled as Global Warming of 1.5°C, an IPCC special report on the impacts of global warming of 1.5°C above pre-industrial levels and related global greenhouse gas emission pathways, in the context of strengthening the global response to the threat of climate change, sustainable development, and efforts to eradicate poverty, can found on the IPCC website. If the world were to cease all carbon-emitting activities tomorrow, the carbon already pumped into the air would still guarantee a few extra decades of warming. "The latter would be used as part of a now nonexistent program to get power from trees or plants and then bury the resulting carbon dioxide emissions in the ground, leading to a net subtraction of the gas from the air - bioenergy with carbon capture and storage, or BECCS".

Currently, the world has seen 1C of warming over the past 115 years, according to a USA report last year.

The IPCC report noted the world is rapidly losing any chance to limit average temperature increase to 1.5 degrees, though there is still a theoretical chance if the political will existed. Per the IPCC, humans need to slash carbon output to 45 percent below 2010 levels by 2030 and to straight-up zero by 2050.

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