"Climate change is altering and destroying important habitats that America’s migratory birds depend on, the National Wildlife Federation said Tuesday in a report."

"President Obama is preparing regulations limiting carbon dioxide emissions from existing power plants, senior officials said Wednesday. The move would be the most consequential climate policy step he could take and one likely to provoke legal challenges from Republicans and some industries."

"President Barack Obama may be just a month away from releasing the second-term climate change strategy that activists and donors are waiting impatiently for, although the details and timing appear to still be in flux."

"Efforts to curb global warming have quietly shifted as greenhouse gases inexorably rise."

"Rising seas and increasingly severe weather are expected to increase the areas of the United States at risk of floods by up to 45 percent by 2100, according to a first-of-its-kind report released by the Federal Emergency Management Agency on Wednesday. These changes could double the number of flood-prone properties covered by the National Flood Insurance Program and drastically increase the costs of floods, the report finds."

"Severe weather cost the nation $110 billion in damages in 2012, the second-costliest in history, according to disaster information released Thursday by the National Oceanic and Atmospheric Administration."

"Mayor Michael R. Bloomberg on Thursday proposed major changes to New York City’s building code, saying Hurricane Sandy showed that both commercial and residential properties needed additional safeguards against severe weather."

"A White House adviser said yesterday that President Obama will soon renew his domestic efforts on climate change, as promised in his second State of the Union address, and follow the strides he made with China last weekend with further international engagement on the issue."