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Despite ranking in the top ten countries in the world for renewable resources per capita, Canada’s water security is at risk. To learn more about how climate change and human activities are threatening our water supply, we spoke to Jay Famiglietti, executive director of the Global Institute for Water Security and host of The Walrus-produced Let’s Talk About Water podcast. As a former senior water scientist at NASA, Famiglietti helped develop the Gravity Recovery and Climate Experiment (GRACE), a satellite mapping program that traces the changing groundwater and freshwater supplies across ...

Share This Everything on our planet is connected by the various chemical, physical and biological processes that make up what we call the Earth system. One of the key components of that huge system is the cryosphere, or all of Earth’s frozen water. This important “sphere” includes frozen soils in Alaska, the snow on top of the Himalayas, as well as all the ice in the polar regions. Nowhere is the role of the cryosphere as evident as it is at high latitudes, where the Greenland and Antarctic ice sheets cover most of the land, and where sea ice caps enormous sections of the polar waters. ...

In Brief: Due to ice's important role in the Earth system, NASA is committed to studying it extensively. Everything on our planet — the land, the water, the air, people — is connected by the various chemical, physical and biological processes that make up what we call the Earth system. One of the key components of that huge system is the cryosphere, or all of Earth’s frozen water. This important “sphere” includes frozen soils in Alaska, the snow on top of the Himalayas, as well as all the ice in the polar regions. Nowhere is the role of the cryosphere as evident as it is at high lat...

Compact, highly stable laser-optical clocks can improve future generations of satellite navigation systems and form the basis for new GNSS architectures.  Combined with the optical links and control of further parameters, such as accuracy in orbit determination and atmosphere modelling, a higher accuracy in position determination on Earth can be achieved while reducing the complexity and size of  the GNSS ground segments. In that regard, the Galileo Competence Center of the German Aerospace Center (DLR-GK) and Airbus have signed a €16.8 million contract for the hosting of DLR’s COMPASSO...

Did green revolution in Punjab lead to groundwater over exploitation revolution due to MSP? February 27, 2021, 1:33 AM IST Prof MG Chandrakanth did doctoral studies in Agricultural Economics from the University of Agricultural Sciences, Bangalore and post doctoral studies in institutional economics of groundwater irrigation as a Ciriacy Wantrup fellow in the University of California, Berkeley. He specialized in resource and environmental economics and policy in general and groundwater resource economics and policy in particular and authored the book - Water Resource Economi...