As balconies bristle with tree branches and sunshine dapples the leaves of thousands of plants, two apartment buildings in the heart of Milan have almost disappeared under lush forest. 

Tropical storm Nate moved quickly inland from the U.S. Gulf Coast early Sunday after making landfall twice as a powerful hurricane, triggering widespread flooding and power outages.

After leaving a trail of death and destruction in Central America, the storm hit the southern United States -- the third hurricane to hit the region in less than two months as part of an especially active hurricane season.

Nate reached hurricane status as it bore down on popular Mexican beach resorts and headed for the US Gulf Coast early Saturday after dumping heavy rains on Central America and leaving at least 28 people dead.

Tropical Storm Nate has killed at least 22 people in Central America with torrential rains that forced thousands from their homes, uprooted trees, knocked out bridges and turned roads into rivers, officials said Thursday.

Forecasters predicted it will strengthen into a hurricane headed for Mexico and the United States.

A tropical storm sliding north along Central America Thursday has unleashed heavy rains that have killed at least eight people in Costa Rica and Nicaragua, with forecasters predicting it could strengthen into a hurricane headed for the United States.

Costa Rica declared a national emergency as it struggled with mudslides, washed out roads and overflowing rivers.

Britain's Prince Charles said that plastic is now "on the menu" in the fish we eat and called for decisive action as he opened a conference Thursday on protecting the world's oceans.

Sydney and Melbourne could regularly face 50 degree Celsius (122F) days within 25 years even if Australia meets its Paris global warming targets, a new study warned Wednesday.

Canada's rhetoric on climate change must be translated into action, the environment commissioner said Tuesday in a scathing report blaming years of inertia for leaving the nation vulnerable to climate damage.

Indigenous peoples could soon regain some control of their native forests with the creation of a new global institution dedicated to securing their land rights.

Parisians were encouraged to roller-blade, bike or stroll through the City of Light on Sunday for a "car-free" day intended to leave the streets vacant for slower, clean forms of transport.