Bookmark of Heating Up in Tokyo

Tokyo’s humid subtropical climate means hot, muggy summers are unavoidable; the U.S. Southeast and northern India fall into the same climate zone. However, there are other underlying factors exacerbating the conditions. Human-caused global warming has contributed to a 1.5Β°C (2.7Β°F) increase in temperatures in Tokyo since 1964 and a 2.86Β°C (5.14Β°F) increase since 1900.
Heat Island Effect in Tokyo (from the article)

Heat Island Effect is an oft forgotten aspect of us covering the land with asphalt and concrete. What always shocks me, even in my suburban Yokohama neighborhood, there's plenty of green, but not much shade. Especially if you're traveling around noon when the sun's directly above.