www.popsci.com

Here’s why NASA is working on a concept crewed mission to Venus

Here's a climate story that speaks to the 14-year-old science geek in all of us.


Start with some basics:

The Venusian atmosphere is comprised of 97 percent carbon dioxide, about 3 percent nitrogen and trace amounts of other gases.... The current climatic conditions and composition of the atmosphere are the result of a runaway greenhouse effect, (an extreme greenhouse effect that cannot be reversed) which transformed the planet from a hospitable Earth-like "twin" world in its early history.

That creates enough of an insulating blanket to drive the planet's surface temperature to 870ºF (460ºC), enough to melt metals like lead and bismuth—and which, the article notes, may fall as "snow" on Venus' higher mountain peaks.

By contrast, Earth's CO2 percentage is 0.04 percent (or 400 parts per million), and scientists fear a rise to 0.06 could render vast swathes of our planet uninhabitable or unsuitable for agriculture.

NASA, according to this fascinating story in Popular Science, is sketching ways to send manned airships to Venus' atmosphere to further our understanding of the evolution of our solar systems (and others!) and test the extremes of our climate models.

As surprising as it may seem, the upper atmosphere of Venus is the most Earth-like location in the solar system. Between altitudes of 50km and 60km, the pressure and temperature can be compared to regions of the Earth's lower atmosphere. The atmospheric pressure in the Venusian atmosphere at 55km is about half that of the pressure at sea level on Earth. In fact, you would be fine without a pressure suit, as this is roughly equivalent to the air pressure you would encounter at the summit of Mount Kilimanjaro.

Scientists have theorized that Venus and Earth were twins in their early history, formed of the same ingredients and each with oceans of water. But Venus gets far more sunlight, and NASA suspects Venus' oceans evaporated. Radiation broke apart the water vapor molecules: Hydrogen escaped to space, and CO2 accumulated.

Scientists see no chance that our human activities can trigger such a one-way ticket to warming. But it sure would be cool to be on a platform of an airship high above Venus, wearing little more than an air supply and a chemical haz-mat suit.

Read the full story on Popular Science.

www.vox.com

Most Democrats and Republicans think the government should make climate change a priority

A new survey finds broad support among American voters for doing more on climate change.

ADSE's Young Researchers Conference 2021

The Alliance for Diversity in Science and Engineering (ADSE) is hosting its 9th Young Researcher Conference from January 28-30th, 2021. Read more about the conference and how to register here.

Biden may cancel Keystone XL pipeline permit as soon as his first day in office

U.S. President-elect Joe Biden is planning to cancel the permit for the $9 billion Keystone XL pipeline project as one of his first acts in office, and perhaps as soon as his first day, according to a source familiar with his thinking.
insideclimatenews.org

Global efforts to adapt to the impacts of climate are lagging as much as efforts to slow emissions

A new UN report highlights how an adaptation gap hurts the most vulnerable countries and urges increased financing and cost-effective, nature-based preparations.

www.abc.net.au

Climate change pushed ocean temperatures to record high in 2020, study finds

Climate change saw the world's oceans absorb 20 zettajoules of heat in 2020, driving seas to record temperatures and setting the scene for decades of savage weather and environmental devastation.
e360.yale.edu

More than 400,000 US clean energy jobs have been lost so far during the pandemic

The clean energy sector in the United States lost 429,000 jobs last year due to the economic impacts of Covid-19, with the industry hitting its lowest number of workers since 2015, according to a new analysis of federal unemployment filings.

www.wesa.fm

Philadelphia aims to be carbon neutral by 2050

Sounding optimistic after four years of battling climate change with little help from the federal government under the Trump administration, Mayor Jim Kenney said Friday that Philadelphia will aim to become carbon neutral by 2050.

stateimpact.npr.org

Harrisburg resident’s charges dismissed in alleged Mariner East ‘buy-a-badge’ scheme

A judge has dismissed all charges against Harrisburg resident James Murphy, a security firm employee who had been charged in connection with an alleged bribery scheme related to Mariner East pipeline construction in Chester County.