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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.
WMO and the World Health Organization (WHO) have agreed on a roadmap to strengthen the provision and use of weather, climate, water and environmental information and services in evaluating human health risks and thereby improve health outcomes. The roadmap was developed by a group of experts from the health, weather and climate sectors representing research, operational, and policy interests.
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.