Last month was the hottest June ever recorded worldwide, and the 14th straight month that global heat records were broken.The US National Oceanic and Atmospheric Administration (NOAA) says global sea temperatures were fractionally higher than for June last year while land temperatures tied.Its global temperature records date back 137 years, to 1880.Most scientists attribute the increases to greenhouse gas emissions.They also say climate change is at least partially to blame for a number of environmental disasters around the world.