Hundreds of foresters, arborists, scientists and researchers are working to give species like the red spruce a lift north to outrun a climate that's changing faster than they can keep up with.
, originally brought from Asia in the 1960s, is so invasive several states have banned its sale.
Many argue there's no such thing as"natural" at this point. Humans have introduced tremendous change by burning fossil fuels since the Industrial Revolution began in the 1750s, said Cuauhtémoc Sáenz-Romero, a research biologist at the University of Michoacana de San Nicolás de Hidalgo in Mexico.of CO2 in the atmosphere," he said."The normal level is 260.
"We're trying to be proactive in the sense that we want to plant the species that will be well-adapted to these future climate change scenarios," said Silvia Alvarez-Clare, the arboretum's director of global tree conservation. "Now it's happening so fast, there's not even one or two generations for the trees to adapt," she said.
"The rainy season now starts one month late and, what is worse, ends one month early," said Sáenz-Romero. In part because of this habitat loss, the monarch was added this summer to the International Union for Conservation of Nature's"red list" of endangered species.
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