Causescommons.wikimedia.org Berkshire Hathaway cleared to buy up to 50% of Occidental Petroleum The Federal Energy Regulatory Commission approved a request from Warren Buffett’s company to take a bigger stake in the oil company.
Causeswww.flickr.com Warren Buffett faces renewed climate change challenge by investors Mr. Buffett has pushed back against investors who want to force Berkshire Hathaway to do more to reduce greenhouse gas emissions.
