US, China unveil ambitious climate change goals

President Obama set a goal to reduce US greenhouse gases by at least 26 percent by 2025.

After a bold decision last spring, a relieved Derrick Gordon has the world at his fingertips Steven G. Smith for The Boston Globe

Steven G. Smith/for the Globe

UMass?s Derrick Gordon at peace after coming out as gay

The UMass guard has been embraced by his teammates, and couldn?t be happier about his decision.

Massachusetts Governor-elect Charlie Baker spoke to reporters at the Statehouse Monday as House Speaker Robert DeLeo listened, at right.

Baker selects Democrat with first cabinet pick

Governor-elect Charlie Baker selected Jay Ash, Chelsea?s city manager, to lead the state?s housing and economic development agency.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2014/11/11/BostonGlobe.com/Metro/Images/mendez[1]-8421--90x90.jpg Sister of missing Swampscott woman appeals for help

The sister of Jaimee Mendez said she hopes a Salem woman who was found after being missing will share what she knows, if anything.

Fidelity fund on track to be nation?s biggest charity

Fidelity?s charitable fund could surpass the United Way as the largest in the country this year.

Military personnel worked on a casualty simulator that was developed in part in Boston

The SimGroup

Pentagon to halt use of live animals in medical training

The restrictions bring the military more in line with the civilian medical community and most Western militaries.

Ben Cherington must prioritize his mainly young starting pitching before making trades or free agent pickups. Jim Davis/Globe Staff

Nick Cafardo | On baseball

Red Sox, Cubs part of high-stakes battle for top starters

The Red Sox and Cubs are two of the teams vying for Jon Lester, Max Scherzer, and James Shields.

Senate Majority Leader Harry Reid speaks with House Minority Leader Nancy Pelosi in Washington last month.

opinion | SCOT LEHIGH

Time for Nancy Pelosi and Harry Reid to go

This isn?t about blame. It?s about giving the Democrats an opportunity to offer fresh faces, different voices, and new approaches.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2014/10/29/BostonGlobe.com/Special/Images/maeda_LongwoodSports_special1.jpg The future of treating ACL tears: No cutting, no surgery

About 400,000 people a year tear their knee ligament. Dr. Martha Murray has an idea for a less-invasive repair.

Bill Cosby during an interview about the exhibit ?Conversations: African and African-American Artworks in Dialogue? at the Smithsonian's National Museum of African Art in Washington on Nov. 6.

Michael Andor Brodeur | Thing Tank

Bill Cosby might want to log off for a while

It?s been a weird/bad/worsening few months for Bill Cosby.