Stay Curious. Stay Connected.
MailNewsletters♡Donate Now
Sign up
*Password must be at least 8 characters and contain one uppercase letter, one lowercase letter, one number and one symbol.
Already have an account?
By submitting, you consent that you are at least 18 years of age and to receive information about MPR's or APMG entities' programs and offerings. The personally identifying information you provide will not be sold, shared, or used for purposes other than to communicate with you about MPR, APMG entities, and its sponsors. You may opt-out at any time clicking the unsubscribe link at the bottom of any email communication. View our Privacy Policy.
Sign in to your profile
Forgot Password?
New to MPR News?
Welcome back
to news
for you
Reset Password

Enter the username on file and we'll send you a code to reset your password.

Still require assistance or not sure what your User Name is?
Welcome back
to news
for you
Email Verification

A verification code has been emailed to

Still awaiting the code?
St. Paul, Minn.

Can economic measures affect climate change?

Go Deeper.

Create an account or log in to save stories.

Like this?

Thanks for liking this story! We have added it to a list of your favorite stories.

Polar bear
In this undated file photo, a polar bear is shown in the Arctic National Wildlife Refuge in Alaska. If the world dramatically changes its steadily increasing emissions of greenhouse gases, global warming can be slowed enough to prevent a total loss of critical summer sea ice for the polar bears, according to a new study in the journal Nature released Wednesday, Dec. 15, 2010.
AP Photo/Subhankar Banerjee
Gallery
1 of 1
Polar bear
In this undated file photo, a polar bear is shown in the Arctic National Wildlife Refuge in Alaska. If the world dramatically changes its steadily increasing emissions of greenhouse gases, global warming can be slowed enough to prevent a total loss of critical summer sea ice for the polar bears, according to a new study in the journal Nature released Wednesday, Dec. 15, 2010.
AP Photo/Subhankar Banerjee