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It's painstaking and complex work untangling an influence operation and its effects.

Without such information, the country will be less prepared for the effects of climate change that are ongoing and increasing, he said.

He was able to subdue the effects and "get on with life", but when he saw Burrows on the BBC's Crimewatch "it brought everything back".

If lots of companies do that in quick succession, it can have "cascading effects" and lead to a black-out, she added.

According to the American Astronomical Society, some cuts would include projects that help us understand the sun’s effects on global communications, a potential national security threat.