Tag Archives: plants

Northern hemisphere sees in early spring due to global warming

arctic cotton grass
Arctic cotton grass grows on Greenland’s seashore. Sedge is almost four weeks ahead of its timetable 10 years ago. Photograph: Pearl Bucknall/Alamy

Spring is sprung 26 days earlier than a decade ago, causing problems for the natural cycle of plants and wildlife, Climate News Network reports

March 1, 2017 — Spring is arriving ever earlier in the northern hemisphere. One sedge species in Greenland is springing to growth 26 days earlier than it did a decade ago. And in the US, spring arrived 22 days early this year in Washington DC. Continue reading Northern hemisphere sees in early spring due to global warming

Global ‘greening’ has slowed rise of CO2 in the atmosphere, study finds

natural vegetation absorbs about a quarter of the carbon emissions created by burning fossil fuels
Natural vegetation absorbs about a quarter of the carbon emissions created by burning fossil fuels. Photograph: Kuni Takahashi/Getty Images

Increased growth of plants fertilised by higher CO2 levels is only partly offsetting emissions and will not halt dangerous warming, scientists conclude

November 8, 2016 — A global “greening” of the planet has significantly slowed the rise of carbon dioxide in the atmosphere since the start of the century, according to new research.  Continue reading Global ‘greening’ has slowed rise of CO2 in the atmosphere, study finds

As the planet warms, how do we decide when a plant is native

umbrella tree
Sunlight filters through the leaves of an umbrella tree, North Carolina, US. Photograph: Raymond Gehman/NGS/Getty Images

The fate of a tree planted at poet Emily Dickinson’s home raises questions about whether gardeners can – or should – play a role in helping plant species migrate in the face of rising temperatures and swiftly changing botanical zones

April 21, 2016 — On rare occasions, the townsfolk of Amherst, Massachusetts, would catch a glimpse of a ghostly figure dressed in white, leaning over to tend her flowers by flickering lantern light. The mysterious recluse, who was better known to neighbors for her Continue reading As the planet warms, how do we decide when a plant is native

A human-made calamity on par with the razing of Palmyra’s temples

wall of jerusalem national park
Before the inferno: giant cushion plants beneath ancient pencil pines in the Walls of Jerusalem national park. Photograph: Ashley Whitworth/Alamy
As 1,000-year-old trees turn to ash and dried-out peat bogs burn, the devastation of these precious plains is a harbinger of a warmer, far less wonderful world

March 9, 2016 —It is a three-hour, thigh-torturing climb to reach Tasmania’s high central plateau. Ancient myrtle rainforests flank the slopes. In years gone by, springs and streams gushed from the Continue reading A human-made calamity on par with the razing of Palmyra’s temples