
Cities worldwide are stiflingly hot: lack of shade, ACs spewing hot air on the sidewalks and no breeze make walking outside come August somewhat of a nightmare.
And with urbanization, heat islands and global warming, things are likely to get worse.

Cities worldwide are stiflingly hot: lack of shade, ACs spewing hot air on the sidewalks and no breeze make walking outside come August somewhat of a nightmare.
And with urbanization, heat islands and global warming, things are likely to get worse.