Tipping Point shrinks the family

The new dystopian sci-fi thriller has a writer and director.

Analysts say PCs are at a tipping point

A prominent analyst at Citigroup has confirmed that intermediate-term prospects for PCs are less than stellar.

Climate tipping point may be very close

We're perhaps just decades away from the tipping point that could alter the planet irreversibly, an international group of scientists has warned.

Polar sea ice could recover if CO2 levels fall

Good news, for once: new research indicates that, for polar sea ice at least, there's no 'tipping point' from which recovery is impossible.

Climate could tip without warning, study finds

A top ecological forecaster says it is harder than experts thought to predict sudden shifts in Earth's natural systems - the so-called tipping point.