Not an anniversary to celebrate.
It's been 365 days since BP's negligence, and the arrogance of the wider oil industry, led to the worst oil spill in US history: killing 11 rig workers and unleashing five million tonnes of oil, wrecking the Gulf Coast and killing birds and other wildlife.
The causes behind the Deepwater Horizon catastrophe remain unclear - but still oil companies are desperate to carry out similar drilling in UK waters.