Apple CEO Tim Cook has explained why the company releases a new iPhone every year, what the device will be like in the future, what he is personally doing to reduce his carbon footprint, and more in a new interview with Brut.

The brief interview, shot at an Apple data center and solar power facility in Denmark, delves mainly into Cook’s opinion on various environmental issues such as “greenwashing.” Cook explained that Apple wants to contrast its secrecy about its products with openness about its environmental efforts because it wants to be copied by others. Cook added that Apple still has more work to do in terms of renewable power and use of recycled materials to reach its environmental goals.

For more insights, read the full story at MacRumors.