Emerald ash borer can survive polar vortex

Winters on the Canadian prairies can be brutally cold, but researchers at Western University and Natural Resources Canada have found that even a freezing polar vortex poses little problem for the invasive emerald ash borer.

First global statistical analysis of harmful algal blooms

The first-ever global statistical analysis of trends in harmful algal blooms (HABs) has shown that, worldwide, there is no significant increase in HABs events, but that in some regions, events that include toxic species of ...

Invasive species costing Africa $3.66 tn a year: study

Invasive species introduced by human activity are costing African agriculture some $3.66 trillion every year—around 1.5 times the combined gross domestic product of all African countries—new research showed Thursday.

Negative emissions, positive economy

The long-term goals of the Paris Agreement—keeping global warming well below 2 degrees Celsius and ideally 1.5 C in order to avert the worst impacts of climate change—may not be achievable by greenhouse gas emissions-reduction ...

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