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We can definitely say that cloud seeding enhances snowfall under the right conditions," said Sarah Tessendorf, a scientist at the National Center for Atmospheric Research (NCAR) and co-author of Quantifying snowfall from orographic cloud seeding, published in Proceedings of the National Academy of Sciences in late February.
Climate change will affect the availability, quality and quantity of water needed for basic human needs, thus undermining enjoyment of the basic rights to safe drinking water and sanitation for billions of people, warns the latest UN World Water Development Report. The authors call on States to make more concrete commitments to address the challenge.
The COVID-19 virus has led to localized improvements in air quality due to the reduction in economic activity from efforts to control the pandemic. But cuts in emissions as a result of the economic crisis triggered by COVID-19 will not substitute for concerted Climate Action.