President Trump’s tariffs on China could lead to a hazardous scenario for European countries: the dumping of artificially cheap products that could undermine local industries.

President Trump’s tariffs on China could lead to a hazardous scenario for European countries: the dumping of artificially cheap products that could undermine local industries.

© Qilai Shen for The New York Times

The butterflies’ resilience shows that some species are capable of adapting to dramatic changes in climate, food availability and urban development.