The mayor of the Estonian capital, Tallinn, says that the city will offer free public transport across its bus and tram network from 2013.

Oil workers have been moved from a second platform and drilling rig in the North Sea because of safety concerns.

Scotland has again broken the record for its highest-ever March temperature, with the mercury reaching 22.9C on Monday afternoon.

Oil has been discovered in Kenya after exploratory drilling by Anglo-Irish firm Tullow Oil, President Mwai Kibaki says.

The body representing the renewables industry publishes research which claims it supports more than 11,000 full-time jobs in Scotland.

The announcement of an overhaul to England's planning system brings the meaning of "sustainable development" under scrutiny.

Researchers borrow ideas from the study of Harry Potter-style "optical cloaking" to create a thermal cloak, hiding an object from heat.

Hector's dolphins living off the coast of Christchurch, New Zealand, have benefitted from the area's special designation, say scientists.