In order to begin to understand how to reduce these emissions, it seems the first course of action is to identify where exactly these emissions are coming from. First, scientists have identified which countries are releasing the most greenhouse gases. In 2008, China contributed the highest amount, followed by the US and then the EU, according to data from the Environmental Protection Agency (EPA).
A new analysis has broken this down even further, down to which companies are responsible for the greenhouse gas emissions. According to Suzanne Goldenberg of The Guardian, it turns out that 90 companies are responsible for two-thirds of man-made global warming emissions made. These companies are largely producers of oil, gas or coal and include names you will recognize like Chevron, Exxon and BP. Others are firms owned by states and governments.