Sentences with phrase «global emissions need»

The imperative for carbon reduction is urgent — In order to limit the global mean temperature increase over historical norms to about 2 degrees Celsius (the temperature at which there is a high probability of catastrophic impacts), global emissions need to be reduced approximately 40 - 70 % below 2010 levels by 2050, with CO2 emissions peaking soon (IPCC, 2014).

The imperative for carbon reduction is urgent — In order to limit the global mean temperature increase over historical norms to about 2 degrees Celsius (the temperature at which there is a high probability of catastrophic impacts), global emissions need to be reduced approximately 40 - 70 % below 2010 levels by 2050, with CO

Research suggests that to have a likely chance of cost - effectively meeting the 2 °C limit, global emissions need to peak by 2020 at the latest.

If the world pursues the Paris Agreement's more ambitious limit of 1.5 C, the timescales over which global emissions need to peak and start falling rapidly are much shorter.

If global emissions need to be cut by 50 % or 80 %, then Australia, responsible for about 1 % of global emissions, could double its emissions or go to zero without changing anything.

Because this global challenge can only be met by a global response, we reiterate our willingness to share with all countries the goal of achieving at least a 50 % reduction of global emissions by 2050, recognizing that this implies that global emissions need to peak as soon as possible and decline thereafter.

What is needed is enough specificity to allow a clear understanding of the effort needed, in terms of the time available before global emissions need to peak, and the rate at which they will have to decline thereafter.

The turning point must come soon: If global warming is to be limited to a maximum of 2 °C above preindustrial values, global emissions need to peak between 2015 and 2020 and then decline rapidly.

Within just a decade global emissions need to be declining rapidly.

Not exact matches

«These policies are important first steps, but much bigger emission reductions will be needed for Alberta to do its part to keep global warming below two degrees Celsius.»

«If we're to keep global temperatures from rising to dangerous levels, we need to drastically reduce emissions and greatly increase forests» ability to absorb and store carbon.»

The British think tank Chatham House says that merely applying existing recommendations from health bodies to limit meat consumption would generate a quarter of the remaining emissions reductions needed to keep global warming below 2 degrees Celsius, a key target of the Paris talks.

Additionally, global kerosene use has been estimated to emit up to 200 million tons of CO2 annually, which is the equivalent of emissions from approximately 60 large U.S. coal plants, heightening the need to develop sustainable alternatives.

Cement technology roadmap plots path to cutting CO2 emissions 24 % by 2050 Joint low - carbon technology roadmap by IEA and the CSI outlines investment and policy needs to meet global emissions reduction targets in cement production 6 April 2018

Many multinational food and beverage brands are missing their biggest chance to address climate risks, according to the global non-profit group CDP, which says companies need to work closer with suppliers to improve agricultural emissions.

Separate research published by the Met Office today shows emissions of CO2 will need to be reduced close to zero by the end of this century if a rise in the mean global temperature beyond 2C is to be avoided.

At time of writing, it had 103 parties representing 73.38 % of global emissions; without the USA, this would be 102 parties representing 55.49 % of global emissions, so still exceeding the twin hurdles which were needed for it to enter into force in the first place.

To take effect, the Paris Agreement needs formal ratification by 55 countries that account for 55 percent of global emissions.

Achieving the 2025 target will require a further emission reduction of 9 - 11 % beyond our 2020 target compared to the 2005 baseline and a substantial acceleration of the 2005 - 2020 annual pace of reduction, to 2.3 - 2.8 percent per year, or an approximate doubling;» Substantial global emission reductions are needed to keep the global temperature rise below 2 degrees Celsius, and the 2025 target is consistent with a path to deep decarbonization.

«Logistically, negotiations on the agreement's detailed rules will likely take another year or two to finalize, and all countries will need to raise the ambition of their commitments under the agreement if we're to avoid the worst impacts of climate change and reach a goal of net - zero global warming emissions by midcentury,» said Alden Meyer of the Union of Concerned Scientists.

The draft report by the U.S. Global Change Research Program says it is likely the world will forfeit its ability to meet «rapid emission reduction» scenarios needed to stabilize greenhouse gas concentrations «within a few years.»

Worldwide, carbon storage has the capability to provide more than 15 percent of the emissions reductions needed to limit the rise in atmospheric CO2 to 450 parts per million by 2050, an oft - cited target associated with a roughly 50 - percent chance of keeping global warming below 2 degrees, but that would involve 3,200 projects sequestering some 150 gigatons of CO2, says Juho Lipponen, who heads the CCS unit of the International Energy Agency in Paris.

The sooner global emissions start to fall, the lower the risk not only of major climatic disruption, but also of the economic disruption that could otherwise arise from the need for subsequent reductions at historically unprecedented rates, should near - term action remain inadequate.»

A U.N. Environment Program report released last week showed that, taken together, the NDCs only account for a third of the necessary emissions reductions needed to keep global average temperatures from heating 2 degrees C above preindustrial levels.

But global energy use is set to fall in 2009 for the first time since 1981 as a result of the global economic crisis, reducing the need for emission reductions by a full two billion metric tons, according to the IEA.

«Significant» reductions needed The U.N. Environment Programme's «Emissions Gap 2012» report cautions that even if nations meet their strictest pledges, the world will not be able to cut its output of greenhouse gases in time to prevent runaway global warming (ClimateWire, Nov. 21).

The Global Carbon Project's analysis, which compares the world's actual CO2 output with four generations of emissions scenarios used by the IPCC, concludes that «significant emission reductions are needed by 2020 to keep 2 degrees Celsius as a feasible goal,» echoing the recent U.N. assessment.

How critical is this transformation of the grid to getting the amount of renewables we need to be on track to make significant cuts in greenhouse gas emissions, the kind of cuts that we need to forestall or minimize global climate change?

Eliminating fossil fuel subsidies would slash global carbon emission by 20 percent and raise government revenue by 2.9 trillion, well over the funds needed for intelligent policy and action on climate adaptation.»

To avoid multiple climate tipping points, policy makers need to act now to stop global CO2 emissions by 2050 and meet the Paris Agreement's goal of limiting global warming to 1.5 °C above pre-industrial levels, a new study has said.

Deep cuts in greenhouse gas emissions of 40 to 70 percent by mid-century will be needed to avert the worst of global warming that is already harming all continents, a draft U.N. report showed.

But even with coal, says Pachauri, «meeting the energy needs of the poor is unlikely to contribute significantly to global greenhouse gas emissions».

One main issue discussed in the correspondence is how to view the needed «transformation» of the global energy system: Does transformation mean we can make a major dent in emissions by just scaling up existing technologies, or do we need some profound breakthroughs?

Lubchenco emphasizes that the report highlights the need to formulate adaptation strategies to ocean acidification as well as the urgency to create a stronger momentum to reduce global carbon emissions.

Writing in Current Climate Change Reports, they conclude that, the most urgent course of action is to reduce global greenhouse gas emissions, but concurrently there is also a need to consider novel management techniques and previously over-looked reef areas for protective actions under predicted climate change impacts.

But poor nations argue that more pressing issues need to be ironed out, for example the overarching dispute between rich and poor countries over how to share efforts to cut emissions, before more market - based mechanisms are developed or the groundwork for a global trading scheme is laid.

Despite the report's regional focus, the authors clarify that the most urgent need is to reduce global carbon dioxide emissions.

«There is massive uncertainty in this figure, and until much more research is done no serious scientist should express any confidence in such estimates,» of iron fertilization's geoengineering potential, cautions oceanographer Richard Lampitt of the National Oceanography Center in England, who also argues that more research into such potential geoengineering techniques is needed due to the failure of global efforts to curb greenhouse gas emissions.

About one - fifth of the emissions reductions needed to cut the global output of greenhouse gases 50 percent by 2050 would have to come from CCS technology at coal - fired power plants, according to the International Energy Agency (IEA).

«If we are serious about climate change, the 10 per cent of the global population responsible for 50 per cent of total emissions need to make deep and immediate cuts in their use of energy — and hence their carbon emissions,» says Anderson.

-- If however, the (almost inconceivable) abrupt global total cessation of (fossil) C emissions were to occur, then we could expect warming to stop without further need for mitigation.

To avoid this, governments at climate talks in Paris this December need to set conditions that will achieve an early peak in global energy - related emissions, review their commitments every five years, and translate the 2C goal into a long - term emissions goal, the IEA said.

The International Energy Agency for example, reckons that the magic of energy efficiency can achieve 49 per cent of the GHG emission reductions needed by 2030 to avoid catastrophic changes in global temperature.

The resulting model would therefore minimize the effect AGHG emissions on future global temperatures and the need to limit these emissions.

Anthropogenic CO2 emissions are presently increasing every year at an accelerating rate, and it is extremely unlikely that humanity will collectively do what is necessary to not only stop that growth in CO2 emissions, but reverse it, and then reduce emissions by 80 percent or more within 5 to 10 years, which is what mainstream climate scientists say is needed to avoid the worst outcomes of anthropogenic global warming.

«As global energy demand grows over this century, there is an urgent need to reduce our dependence on fossil fuels and imported oil and curtail greenhouse gas emissions,» said Secretary of Energy Steven Chu.

The Copenhagen Diagnosis authors used IPCC Fourth Assessment Report (AR4) projections as well as post-AR4 analysis to estimate that emissions reductions of around 40 % from industrial nations are needed to make it likely to keep global warming below 2 °C.

We use Earth's measured energy imbalance, paleoclimate data, and simple representations of the global carbon cycle and temperature to define emission reductions needed to stabilize climate and avoid potentially disastrous impacts on today's young people, future generations, and nature.

If the carbon fee had begun in 1995, we calculate that global emissions would have needed to decline 2.1 % / year to limit cumulative fossil fuel emissions to 500 GtC.

The total amount of carbon that would need to be diverted from being emitted into the atmosphere is stunning: Current global atmospheric CO2 emissions total roughly 30 gigatons, or 30 billion metric tons per year.