Dive summary:

• The U.S. Green Building Council will, if members approve, tighten the rules some for getting LEED certification for projects
• One change, however, would allocate more credit for avoiding materials with hazardous constituents.
• About 30,000 buildings that have been started in the process under 2009 LEED standards will not have to change to new standards.

From the article:

The U.S. Green Building Council expects to substantially revise LEED next year, requiring builders beginning in 2015 to take new and more-detailed steps to get buildings certified. ...