Bosses at Heathrow Airport are due to announce when the new Terminal 2 will open. The old building was demolished 3 years ago to make way for a new £2.5 billion terminal with the capacity to cope with 20 million passengers a year.
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Tuesday's weather for the west of the region
Tuesday's weather for the east of the region
Causes are thought to be climate change, fisheries, disease, and pollution.