El Nino CO2 Levels Suggest Grim Carbon Future

Image: OCO-2 /JPL-Caltech/NASA.

The years 2015 and 2016 saw record levels of excess carbon dioxide in the atmosphere, even though human carbon emissions have stabilized in recent years. Now, scientists think they know why.

Read/listen to my full story at KJZZ’s Arizona Science Desk:
NASA: Spike In Atmospheric CO2 Related To El Nino

Orange-Tailed Lizards Rescued from Path of Planned Freeway

Photo by Arizona Department of Transportation.

The Arizona Game and Fish Department is working with the Department of Transportation to safeguard species in the path of the Loop 202 South Mountain Freeway — including the chuckwalla, a large lizard found throughout the desert southwest.

Read/listen to my full story at KJZZ’s Arizona Science Desk:
Chuckwallas Moved Out Of South Mountain Freeway Path

Worth Doing Right: How Climate Change Could Throw a Wrench Into Road repairs

Repairing with the wrong materials for shifting climates could be a road to nowhere, like this spot in the Suffolk village of Covehithe. Picture by Timothyansell123.

The American Society of Civil Engineers has given America’s roads a D rating. But a recent study shows that trying to raise that grade without accounting for climate change could put the country’s roadways at risk.

Read/listen to my full story at KJZZ’s Arizona Science Desk:
Not Planning For Climate Change Could Cost Billions In Infrastructure Repairs Down The Road

Eclipse Programs, Glasses Available at Phoenix Libraries

Image by Vic Viatour.

As Monday’s solar eclipse draws near, many Phoenicians worry they won’t be able to find viewing glasses — or that they’ll get unsafe knockoffs instead. But Phoenix libraries are offering a fun and educational way for kids to get theirs.

Read/listen to my full story at KJZZ’s Arizona Science Desk:
Phoenix Libraries Offer Programs, Eclipse-Viewing Glasses For Kids

Tobacco Leaves Could Provide Cheap, Scalable Way to Make Zika Vaccine

Tobacco leaves drying. Photo by MRaccine.

Tobacco might have finally found the image upgrade it’s been looking for, as scientists hope to use the plant to produce a safe and cheap Zika vaccine.

If successful in humans, the plant-based approach could provide an effective solution for countries affected by the disease.

Read/listen to my full story at KJZZ’s Arizona Science Desk:
Scientists Use Tobacco Plant As Cheap, Scalable Zika Vaccine Factory

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