In a major mining region of Ukraine, President Trump’s proposal to collect profits from mineral wealth is meeting with a mix of skepticism and weary acceptance.

© Brendan Hoffman for The New York Times

The combination of lower oil prices and higher costs for essential materials like steel pipe threatens to squeeze domestic oil and gas producers.

There is excitement about the potentially lucrative resources scattered around the island, especially the rare earths. But extreme weather, fired-up environmentalists and other factors have tempered hopes of a bonanza.

China dominates in critical minerals, and President Trump has turned to high-pressure tactics to acquire them.