NASA scientists react to 400 ppm carbon milestone

Climate Change is well under way, NASA scientists claim

Climate Change is well under way, NASA scientists claim

The global concentration of carbon dioxide in the atmosphere – the primary driver of recent climate change – has reached 400 parts per million (ppm) for the first time in recorded history, according to data from the Mauna Loa Observatory in Hawaii.

Since 1958, the Mauna Loa Observatory has been gathering data on how much carbon dioxide is in the atmosphere. Carbon dioxide has increased by about 24 percent since the beginning of this record. (Source: NOAA)

NASA rounded up a few scientists and asked them what passing 400 ppm means to them.

 Dr. Michael Gunson

Dr. Michael Gunson

Passing the 400 mark reminds me that we are on an inexorable march to 450 ppm and much higher levels. These were the targets for ‘stabilization’ suggested not too long ago. The world is quickening the rate of accumulation of CO2, and has shown no signs of slowing this down. It should be a psychological tripwire for everyone.

– Dr. Michael Gunson
Global Change & Energy Program Manager; Project Scientist, Orbiting Carbon Observatory-2 satellite mission – NASA Jet Propulsion Laboratory

Dr. Erika Podest

Dr. Erika Podest

CO2 concentrations haven’t been this high in millions of years. Even more alarming is the rate of increase in the last five decades and the fact that CO2 stays in the atmosphere for hundreds or thousands of years. This milestone is a wake up call that our actions in response to climate change need to match the persistent rise in CO2. Climate change is a threat to life on Earth and we can no longer afford to be spectators.

– Dr. Erika Podest
Carbon and water cycle research scientist

Dr. Gavin Schmidt

Dr. Gavin Schmidt

We are a society that has inadvertently chosen the double-black diamond run without having learned to ski first. It will be a bumpy ride.

– Dr. Gavin Schmidt
Climatologist and climate modeler

Bill-Patzert_cropped

Dr. William Patzert

Scary scorecard: catastrophic climate change 400, humanity zero. Listen to the scientists, vote wisely, beat carbon addiction and put humanity into the game.

– Dr. William Patzert
Research Oceanographer

For more on this story, please click the link below.

NASA scientists react to 400 ppm carbon milestone

Advertisements

About jensera

Jennifer Harrington is a Toronto-based illustrator, writer and graphic designer. She illustrated the best-selling children’s book series 'A Moose in a Maple Tree,' which includes the titles 'A Moose in a Maple Tree,' 'The Night Before a Canadian Christmas' and 'Canadian Jingle Bells.' She is also the owner of JSH Graphics, a boutique graphic design agency that specializes in print and web advertising. With her latest project, Eco Books 4 Kids, Jennifer has partnered with illustrator Michael Arnott to create a series of ecologically-themed ebooks for children. Her next book, 'Spirit Bear,' is due for release in the Summer of 2013. Jennifer offers two different school presentations for her 'Moose in a Maple Tree' collection, an illustration demonstration and a Christmas concert series, which can be booked at www.amooseinamapletree.com. She will be taking bookings for school readings of 'Spirit Bear' beginning in October 2013.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: