OSHA is making available a mobile application designed to keep outdoor workers safe during summer heat.

OSHA has kicked off a national outreach initiative to educate workers and their employers about the hazards of working outdoors in hot weather.

Athlete deaths from heat exposure are on the rise. Warming summers have been accompanied by weekly reports of athletes young and old collapsing from severe heat-induced illness.

A top official of the California workplace-safety agency says farmers and ranchers should expect more purposeful visits from it and other labor agencies, as they monitor for compliance with heat-safety rules and other standards.

A complaint from a warehouse workers union brought Cal/OSHA's attention to two warehouse companies in Chino -- and resulted in a quarter of a million dollars worth of citations against those companies.

A coalition of advocacy, union and worker safety experts is petitioning OSHA to enact a mandatory standard to protect workers from extreme heat exposure.

With the help of the first smart phone app developed by OSHA, employers and workers can determine the risk of heat-related problems to outdoor workers at any worksite at any time.