Noise pollution is a proven health risk, which is why citizens living under flyways often receive subsidies to have their homes insulated against airplane roars, and cities put up barrier walls along busy roads that abut residential neighborhoods. We’re not the only species that gets stressed out and sickened by loud sounds. Fish, for instance, can be physically damaged by human noise, whether it’s coming from an under­water pile driver or a commercial barge.

Read about the cities and companies that are proactively fighting for healthy fish …

Go ahead and recycle your cans and bottles, your papers and boxes: It’s all good. But personal recycling efforts are relatively small in volume compared to the mountains of material thrown away every day at construction sites. Liz Pacheco reports in Philadelphia’s Grid magazine on Revolution Recovery, a green business that’s pioneering ways to keep this daily deluge of construction and demolition waste out of landfills.

Keep reading …

Engineers at Japanese construction firm Shimizu have dreamed up a plan for harnessing solar energy from the moon. It’s a large-scaled, seemingly inconceivable plan that involves remote-controlled robots building thousands of photovoltaic panels out of moon dirt, assembling the panels into a gigantic lunar girdle belt, and laser-beaming 220 terawatts of annually collected voltage toward Earth.

You seem skeptical … Keep reading …