Latif Sekanjako from Uganda wants to know: Can electricity travel through air?
While diesel cars increasingly look to be on the way out, another big polluter is often ignored: shipping. Will electric vessels, including the first e-barges, help the industry clean up its act?
More than 100 cities worldwide get at least 70 percent of their electricity from renewable sources, according to a new initiative. How did they manage and what can we learn from them?
Researchers and their institutions should set a good low-carbon example to their communities, says Katharine Hayhoe, director of climate science at Texas Tech University.
Facing EU penalties over poor air quality, Germany has said it wants to test free public transport in five cities. Bonn and Essen are among the cities to serve as testing ground for the new project.
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