By Kerry Sheridan -
Environmental groups said Tuesday that US President Barack Obama's plan to combat climate change is long overdue but not enough to reverse a global problem that is outpacing the solutions.
Some experts warned it will be an uphill battle to implement the policies Obama announced, using his executive powers since US lawmakers are unable to come to agreement on how to preserve the economy while cutting pollution.
A key obstacle will be to finalize standards on power plants before Obama leaves office in three years, and the missing link is a carbon tax to punish polluters and reward greener power endeavors, some experts said.
READ MORE ON PHYS.ORG
Obama's new strategy to combat climate change (no longer global warming)
