FROM Udi Tirosh
Does the World Need Desalination? Water is humankind's most precious resource. Demand is rising and resources are running low. Conservation and reclamation are needed all over the world. Water shortages in the Middle East, Australia and the Western United States are creating an appetite for new water supplies. Greater efficiency and re-use of water that's now being wasted are obvious fixes. Beyond that, there's desalination of ocean water to create new supplies. That takes expensive technology. Will it discourage conservation? Is it worth the energy it demands and the impact on the environment? We look at the available options to cope with an inevitable, worldwide crisis.
White House flip flops: NATO, Syria and China In less than 100 days, President Trump has contradicted himself on a host of foreign policy issues — Syria, NATO, China and Vladimir Putin’s Russia. Is it a strength — or a weakness — for the United States when the world of power politics never knows what to expect?
In Janesville, WI, Middle America meets the new American dream Janesville, Wisconsin is the hometown of Republican House Speaker Paul Ryan. But he couldn't prevent the closing of the General Motors factory after 100 years. We hear what's happened to what once was a model of American middle-class unity.
Will the march for science politicize objective research? Protesters are gathering all over the country for tomorrow's Earth Day March for Science. Since President Trump has proposed massive cuts in basic scientific research, will the movement be perceived as partisan politics — whether scientists themselves like it or not?