Earth observation satellites can measure millimetre changes in sea level and track deforestation in near-real time.
Spacecraft that can see through cloud get their first good look at the frozen block known as A74.
An ice block approaching the size of London splits from the White Continent, close to Halley station.
It might have suffered a big break-up this week but the iceberg is still carrying substantial bulk.
The giant iceberg that's been drifting through the South Atlantic experiences a major break-up.
The huge iceberg bumps into shallow seafloor off South Georgia island and knocks off a corner.
Scientists will send robotic vehicles under the colossal berg drifting in the South Atlantic.
A reconnaissance flight in the South Atlantic obtains spectacular imagery of the giant iceberg A68a.
High resolution imagery shows ocean waves are taking their toll on the giant ice block called A68a.