Richard McLachlan, a member of the climate group Extinction Rebellion, teaches a workshop in Brooklyn to prepare budding proselytizers to deliver their own subway climate talks.

Richard McLachlan, a member of the climate group Extinction Rebellion, teaches a workshop in Brooklyn to prepare budding proselytizers to deliver their own subway climate talks.

Richard McLachlan, a member of the climate group Extinction Rebellion, teaches a workshop in Brooklyn to prepare budding proselytizers to deliver their own subway climate talks.

Richard McLachlan, a member of the climate group Extinction Rebellion, teaches a workshop in Brooklyn to prepare budding proselytizers to deliver their own subway climate talks.