Data

Environmental data scientist, Dr Hannah Ritchie tells Krishnan Guru-Murthy how her work taught her that there are more reasons for hope than despair about the climate and the planet we live on – and why a truly sustainable world can still be within reach, in this episode of Ways to Change the World.

Report by the Electoral Commission says the official Brexit campaign exceeded its legal spending limit by almost £500,000.

The company behind PC World, Currys and Carphone Warehouse has apologised after revealing that hackers have stolen millions of credit card details from the company, though it says there’s no evidence so far of fraud. It’s the latest, and one of the largest, examples of big companies losing our data, and raises questions about whether…

The former boss of Cambridge Analytica screeched off in his Audi when we tried to ask about the company being wound up in the wake of a joint investigation by Channel 4 News and The Observer. Authorities say the firm is still under investigation, despite closing down. The Information Commissioner, Elizabeth Denham, tells us why…

So what does it mean for you if your online data has or hasn’t been grabbed? What could people do with your profile information? We help you answer some of the key questions in our new explainer series SO WHAT?

Facebook said it took steps to ensure harvested campaign data had been “destroyed”. But Channel 4 News has now discovered that data on thousands of people in Colorado is still circulating – and Channel 4 News has been to speak to those whose privacy was breached.

An undercover investigation by Channel 4 News reveals how Cambridge Analytica secretly campaigns in elections across the world. Bosses were filmed talking about using bribes, ex-spies, fake IDs and sex workers.