The East Side Trailblazers rap in front of a pink sailboat at a tent camp blocking traffic in London’s Oxford Circus on Tuesday. Protesters chose a sailboat to illustrate the threat of rising waters. They want Britain to reduce greenhouse gas emissions to net zero by 2025.

The East Side Trailblazers rap in front of a pink sailboat at a tent camp blocking traffic in London’s Oxford Circus on Tuesday. Protesters chose a sailboat to illustrate the threat of rising waters. They want Britain to reduce greenhouse gas emissions to net zero by 20