ANDREW MURRAY surveys a quaking continent whose leaders have no idea how to respond to an openly contemptuous United States
Monster plants and native species loss
ZARAH PATTISON explains how invasive plants like Himalayan balsam and rhododendron are playing havoc with ecosystems where they are introduced

Many of the first alien plants — those introduced by humans outside their natural range — to arrive in Britain were brought back by plant hunters of the Victorian era.
Plants have adapted over millennia to their environment. So, we would expect alien plants to struggle in new places. But some survive a little too well, and are so devastating to local plantlife that you need a permit to grow them.
Similar stories

The government’s reliance on unproven and short-termist technology won’t deliver answers to today’s energy crisis, warns MARK MASLIN

This much-maligned insect’s numbers are dramatically down this summer. SEIRIAN SUMNER explains what’s happened to them, and why ecologists are calling for assistance from the public

A new study has found that forests destroyed by wildfires emit carbon long after the flames die, with implications for post-fire management, write NATASCHA KLJUN and JULIA KELLY

How is this much-loved migratory bird species faring as rising temperatures change when seasons arrive, asks ALEXANDER C LEES