World Environment Day, launched by the conference, has been celebrated on June 5 each year since 1973.
In what could become a defining moment in environmental history, President Obama unveiled a plan on June 2 to cut carbon emissions by nearly a third within 15 years.
A heat wave and tinder-dry brush have created a dynamic, dangerous situation with the most menacing brushfires in nearly two decades.
The native nations of the Dakotas have already seen the deadly effects of the "pipelines of death" on the native communities of western Canada.
Now the State Assembly must vote in favor of it, as well, and there's only a limited amount of time, as the state legislature goes on recess in late June.
Starting June 6, a ban on fracking will go into effect in Beverly Hills, making it the first municipality in California to say "no" to the harmful gas extraction process.
In the eastern U.S., the number of extreme weather events, including very heavy rain events, has increased already.
Oil trains throughout the U.S. are literally crashing and burning. One could easily produce a long list of such disasters from last year alone. Another incident can now be added to that list.
The $5.4 billion project, which represents the dirtiest, least efficient kind of oil development, would pump dirty tarsands oil from Alberta, Canada to Texas refineries.
On this day in 1986, continuing high levels of radiation emerging from the Chernobyl disaster led Soviet authorities to publically announce the accident.