NSF Science Now 11

The video discusses various scientific studies. It begins with research on the Greenland ice cap, highlighting the role of low-lying clouds in melting. Next, it covers a study from Rice University on the decrease of ground-level ozone in American cities, noting that current models may be too conservative. The video then shifts to research from Ohio State University, which finds that older adults make better decisions when in a good mood. Finally, it explores long-term droughts in the southwestern US, attributed to a lack of seasonal rains, as studied by the University of Arizona.

What factors contribute to long-term droughts in the southwestern United States as per the research at the University of Arizona?

What impact do dry summer months have on the environment and people living in Arizona and western New Mexico?