After President Trump’s rebukes, President Volodymyr Zelensky tried to repair the relationship with his counterpart while also reaching out to European allies.

By Pratima Desai, Olena Harmash LONDON/KOPANKY, Ukraine (Reuters) -On snow-covered fields in central Ukraine, where some of the country's biggest proven lithium deposits are located, a small team of ecological consultants drop sensors into holes in the earth to measure water levels.

"The reality is that most lithium deposits in Ukraine were identified in the Soviet era and we haven't had any real updates or exploration for many years," said Federico Gay, anal