Anadarko Petroleum Corp shareholders voted today to approve the oil and gas producer’s $38 billion sale to Occidental Petroleum Corp — the largest merger seen in the oil and gas industry since Royal Dutch Shell Plc acquired BG Group Ltd. in 2016.

his week Devon Energy announced a new commitment to reduce the intensity of its methane emissions from 0.32 percent in 2018 to 0.28 percent by 2025. This announcement comes recently after the company’s sale of its high-carbon oil sands assets in Canada.

Shareholder proposals brought by As You Sow will challenge two of the world’s largest oil and chemical producers, ExxonMobil and DowDuPont at annual meetings on May 29 and June 25, respectively, to issue a report assessing the public health risks of expanding their petrochemical operations and investments in areas increasingly prone to climate change-induced storms, flooding, and sea level rise, and the risks such operations pose to public health.

Today, 99 percent of BP shareholders voted in support of a resolution drafted by Climate Action 100+, a group of 300 investors with more than $33 trillion in assets under management, calling for the oil giant to align its business strategy with the 2015 Paris Agreement.

Chevron announced Friday an intent to acquire Anadarko Petroleum, an exploration and production (“E&P”) oil and gas company. The Chevron-Anadarko deal comes at a time when climate related concerns are raising hard questions about the oil and gas industry.