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We’re being too bright

EarthTalk

Dear EarthTalk: Has anyone calculated the energy wasted at night by unnecessary lighting in and around buildings? What can we do to reduce our light footprint?
Bill Rehkamp
via email

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Please explain ‘dirty cloud computing’

EarthTalk

Dear EarthTalk: Why is Greenpeace upset with some leading tech companies for so-called “dirty cloud computing?” Can you explain?

Jeremy Wilkins

Waco, Texas

Leading tech companies like Google, Apple and Microsoft are now offering unprecedented amounts of data storage and access to “apps” on huge Internet-connected servers, saving consumers and businesses the hassle of installing and running programs and storing information on their own local computers.

Clean water and clean energy in vicious circle

Dear EarthTalk: I understand that there are bills before Congress right now that seek to turn over public lands to destructive commercial and recreational activity. What can be done to stop this assault on the land that belongs to all the people?
Astrid Cameron, New York, N.Y.

Clean water and clean energy in vicious circle

Dear EarthTalk: I understand that there are bills before Congress right now that seek to turn over public lands to destructive commercial and recreational activity. What can be done to stop this assault on the land that belongs to all the people?

Astrid Cameron

New York, N.Y.

Will we ever have a generation of young farmers again?

EarthTalk

Dear EarthTalk: American farmers are an aging population. Is anyone doing anything to make sure younger people are taking up this profession in large enough numbers to keep at least some of our food production domestic?

Beverly Smith

Milwaukee, Wis.

What is the ‘underwater wilderness?’

EarthTalk

Dear EarthTalk: I heard the term “underwater wilderness” recently. What does it refer to?
Melissa Cook
via email

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What’s the Obama roadmap for environmental issues?

EarthTalk
earthtalk@emagazine.com

Dear EarthTalk: What are the environmental implications of the road ahead as laid out by President Obama in his recent State of the Union?

Marilyn Pike

Bethesda, Md.

How seriously have our oceans been polluted with acids?

EarthTalk

Dear EarthTalk: I was horrified to read recently that our oceans are actually becoming acidic, that the continued burning of fossil fuels is changing the chemistry of our seas. What’s going on?

Kim Richardson

San Diego, Calif.

How can we reduce heavy water use in our bathrooms?

EarthTalk
earthtalk@emagazine.com

Dear EarthTalk: Is it true that the bathroom is where over half of our household water usage takes place? What are some ways to take a bite out of that?

Shelby McIntyre

Chico, Calif.

Yes indeed, some 60 percent of our household indoor water usage happens in the bathroom. As such, updating old leaky fixtures and changing a few basic habits could go a long way to not only saving fresh water, an increasingly precious resource, but also money.

Do some mouthwashes contain formaldehyde?

EarthTalk
earthtalk@emagazine.com

Dear EarthTalk: Are there healthy, green-friendly mouthwashes? I’ve heard that some contain formaldehyde and other nasty substances.

Marina Sandberg

Albany, N.Y.