Cool

http://coolmaterial.com/
http://www.coolmath-games.com/

http://www.cdc.gov/Features/ExtremeHeat/

Tricks
http://greatist.com/happiness/tricks-to-sleep-in-the-heat

How
http://www.wikihow.com/Stay-Cool-in-Warm-Weather

Health
http://www.nhs.uk/Livewell/Summerhealth/Pages/Heatwave.aspx

Center
http://www.consumerenergycenter.org/tips/staycool.html

Mash
http://mashable.com/category/hot-weather/

Tube
https://www.youtube.com/results?search_query=cool+in+heat

Kid / Child
http://handsonaswegrow.com/ice-water-play-38-ways-to-beat-the-heat/
http://www.hc-sc.gc.ca/ewh-semt/pubs/climat/heat-children_chaleur-enfants/index-eng.php

Global
http://www.globallycool.nl/