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Articles on Light pollution

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Radio observatories like the Green Bank Telescope are in radio quiet zones that protect them from interference. NRAO/AUI/NSF

Radio interference from satellites is threatening astronomy – a proposed zone for testing new technologies could head off the problem

Many telescopes use the radio spectrum to learn about the cosmos. Just as human development leads to more light pollution, increasing numbers of satellites are leading to more radio interference.
Growth in the port industry is expected to continue, and will intensify the adverse environmental effects on marine ecosystems and coastal communities. (Shutterstock)

How shipping ports can become more sustainable

Marine shipping generates about three per cent of global greenhouse gas emissions, and port activities can add to local pollution. Ports are now taking action to reduce their environmental impacts.
A boat navigates at night next to large icebergs in eastern Greenland. (AP Photo/Felipe Dana)

Arctic Ocean: climate change is flooding the remote north with light – and new species

The Arctic has been a remote place for much of its history. But climate change is bringing global problems and opportunities to its door.
With the proper equipment, you can enjoy the beauty of the night sky. Allexxandar via iStock/GettyImages

5 ways families can enjoy astronomy during the pandemic

COVID-19 may have messed up school and shut down a lot of entertainment venues. But you can still brighten things up by doing a little stargazing at night, an astronomer says.

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