Is Climate Change an Emergency?

[David B. Benson]

Nitrous oxide emissions pose an increasing climate threat, study finds
2020 Oct 07
Science Daily
www.sciencedaily.com/releases/2020/10/201007123131.htm

Global warmer and an ozone killer.

[David B. Benson]

Fifth of countries at risk of ecosystem collapse, analysis finds
Damian Carrington
2020 Oct 12
The Guardian
www.theguardian.com/environment/2020/oct/12/fifth-of-nations-at-risk-of-ecosystem-collapse-analysis-finds

Swiss Re study.

[David B. Benson]

Recent Atlantic ocean warming unprecedented in nearly 3,000 years
2020 Oct 14
Phys.org
phys.org/news/2020-10-world-ecosystems-priority-areas-stave.html

No data older than 2,900 years ago. Really just for the extratropical North Atlantic.

[David B. Benson]

The Great Barrier Reef has lost half its corals
2020 Oct 14
Phys.org
phys.org/news/2020-10-great-barrier-reef-lost-corals.html

In just the last few years.

[David B. Benson]

Ice loss due to warming leads to warming due to ice loss: A vicious circle
2020 Oct 27
Phys.org
phys.org/news/2020-10-ice-loss-due-vicious-circle.html

About 0.2 °C globally.

[David B. Benson]

Warming of 2 C would release billions of tons of soil carbon
2020 Nov 02
Phys.org
phys.org/news/2020-11-billions-tons-soil-carbon.html

Estimate is about 230 billion tons of CO2.

[David B. Benson]

State of the climate: five big issues from the report which will affect every Australian
Graham Readfearn
2020 Nov 13
The Guardian
www.theguardian.com/environment/2020/nov/14/state-of-the-climate-five-big-issues-from-the-report-that-will-affect-every-australian

And you thought Australia was already dry ...

[David B. Benson]

Scientists Say Net Zero by 2050 is Too Late
Pip Hinman
2020 Nov 19
Common Dreams
www.commondreams.org/views/2020/11/19/scientists-say-net-zero-2050-too-late

Will become much too warm.

h/t to mike at Real Climate

[David B. Benson]

Irreversible hotter and drier climate over inner East Asia
2020 Nov 26
Phys.org
phys.org/news/2020-11-irreversible-hotter-drier-climate-east.html

Soon too much desert for the rare wildlife.

[David B. Benson]

Cut global emissions by 7.6 percent every year for next decade to meet 1.5 °C Paris target --- UN
Karsten Wuerth
2019 Oct 26
UN Environment Programme
www.unep.org/news-and-stories/press-release/cut-global-emissions-76-percent-every-year-next-decade-meet-15degc

Hafta be right at it.

h/t to mike at Real Climate

[David B. Benson]

Once in lifetime floods to become regular occurances by end of century
2020 Dec 03
Phys.org
phys.org/news/2020-12-lifetime-regular-occurrences-century.html

Move away from the beach!

[David B. Benson]

Brazilian forests found to be transitioning from carbon sinks to carbon sources
Bob Yirka
2020 Dec 21
Phys.org
phys.org/news/2020-12-brazilian-forests-transitioning-carbon-sources.html

Southeastern Brazil study.

[David B. Benson]

Weather disasters cost $150bn in 2020, revealing impact of climate change --- report
2020 Dec 27
The Guardian
www.theguardian.com/australia-news/2020/dec/28/climate-change-fuelling-costly-and-deadly-natural-disasters-report

Not all costs insured, so counted.

[David B. Benson]

Study: Warming already baked in will blow past climate goals
Seth Borenstein
2020 Jan 05
AP News
apnews.com/article/climate-climate-change-pollution-3f226aed9c58e36c69e7342b104d48bf

Southern ocean clouds make the difference.

h/t to John Hartz on And Then There's Physics

[David B. Benson]

Ice arches holding Arctic's 'last ice area' in place are at risk, researcher says
Patchen Barss
2021 Jan 05
Phys.org
phys.org/news/2021-01-ice-arches-arctic-area.html

Nares Strait now leaking ice down the west coast of Greenland.

[David B. Benson]

Climate change has caused billions of dollars in flood damages
2021 Jan 11
Phys.org
phys.org/news/2021-01-climate-billions-dollars.html

In the USA.

[David B. Benson]

Earth to reach temperature tipping point in 20 to 30 years, new study finds
2021 Jan 13
Phys.org
phys.org/news/2021-01-earth-temperature-years.html

Biosphere then won't absorb as much carbon dioxide.

[David B. Benson]

Global ice loss increases at record rate
2021 Jan 25
Phys.org
phys.org/news/2021-01-global-ice-loss.html

35 mm of SLR so far.

[David B. Benson]

New research on forests and oceans suggest projections of future warming may be too conservative, with serious consequences
David Spratt
2021 Jan 27
Climate Code Red
www.climatecodered.org/2021/01/new-research-on-forests-and-oceans.html?utm_source=feedburner&utm_medium=email&utm_campaign=Feed:+ClimateCodeRed+(climate+code+red)&m=1

Land and sea CO2 sinks diminished by higher temperature.

h/t to smallbluemike on And Then There's Physics

[David B. Benson]

Unfortunate timing and rate of change may be enough to tip a climate system
2021 Feb 22
Phys.org
phys.org/news/2021-02-unfortunate-climate.html

AMOC stops.

[David B. Benson]

Underestimating the Challenges of Avoiding a Ghastly Future
Corey J.A. Bradshaw et al.
2021 Jan
Front. Conserv. Sci. 13
www.frontiersin.org/articles/10.3389/fcosc.2020.615419/full

All governments underestimate.

h/t to smallbluemike on And Then There's Physics