https://apnews.com/edb1c4aaffad4e459fc86894bf236538 > LONDON (AP) — A climate change activist has climbed atop a British Airways plane at London City Airport as demonstrations aiming to alert the world to the dangers of climate change enter a fourth day. > Extinction Rebellion identified the activist as a former Paralympic cyclist. A video streamed by the group showed the activist clinging to the fuselage.