However, reefs near the equator will experience annual bleaching much sooner, even
if emissions reductions pledges materialize.
However, reefs near the equator will experience annual bleaching much sooner, even
if emissions reductions pledges become reality.
Not exact matches
Even
if emission reductions exceed
pledges made by countries to date under the Paris Agreement more than three quarters of the world's coral reefs will bleach every year before 2070.
If emission reductions exceed
pledges made by countries to date under the Paris Agreement, coral reefs would have another 11 years, on average, to adapt to warming seas before they are hit by annual bleaching.
«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).
If CO2
emissions reductions are moderately reduced in line with current national
pledges under the Paris Climate Agreement, biomass plantations implemented by mid-century to extract remaining excess CO2 from the air still would have to be enormous.
The numerous rules will address issues such as how countries will track and report their
emissions and have them verified, all in a transparent way; how countries will be required to communicate their future
emissions -
reduction plans as well as their
pledges for funding adaptation efforts; and
if and how market mechanisms, such as
emissions trading between countries, will be applied to national targets.
However, a rise of 3.5 degrees — likely to occur
if national
emissions reductions remain at currently
pledged levels — would affect 11 % of the world population, while a rise of 5 degrees could increase this to 13 %.
According to the 2017 U.N.
Emissions Gap report (PDF), even
if all countries fulfill the
pledges they made in the run - up to Paris, we'd only be a third of the way to the
reductions needed to keep warming to less than 2 degrees Celsius.
Of particular interest to the ambition question is the gap in 2020 between
emission levels consistent with the 2 °C climate target and
emissions levels projected
if country
reduction pledges are fulfilled.
The disconnect between rhetoric and reality in US News & World Report: The goal of the Paris climate agreement to keep warming below 2 °C, and to 1.5 °C
if possible, does not jibe with the actual
emissions reductions pledged in the agreement.
Cancun actually provided a much needed confidence boost in this respect, even
if there still is a «gigaton gap» between the combined
emission reduction pledges of the Cancun agreement and the officially accepted 2 degree target.
Individual countries don't have to provide standardized information on
emissions reductions, which makes it difficult to determine
if countries are living up to their
pledges and
if collective global action is enough to give us a chance of staying below a 2 degrees Celsius temperature rise.
Here's a quick reminder: According to the latest UNEP report, the weak
pledges from Annex I countries get us only about a third of the estimated
emissions reductions that are needed
if we want to have a two - in - three chance of avoiding more than 2 ° C warming.
The specter here is the emergence of a framework of mere «
pledge and review» or «shame and blame» whereby parties are not bound to
emission reductions, nor potentially penalized
if they fail to meet them, but only committed to the national actions they are willing to take without any international oversight.
If Germany is to honour its
pledge to the Paris Climate Agreement, amending the 2020
emissions reduction goal is no possibility, Sebastian Scholz of the Nature and Biodiversity Conservation Union (NABU) says here.