As the New York-based firm was preparing to work on the climate summit, it was also pushing for Brazilian oil and gas distributor Vibra Energia to help power it.

Trade groups lobbied ministers to promote a source of energy linked to massive environmental harms at the U.N. climate conference.

Agribusiness companies generate huge quantities of greenhouse gas pollution — and PR companies help them obscure it.

Students from around the world attended the lobby group’s carbon capture curriculum at the University of Regina in July.