A massive icebreaker cuts its way through the frozen waters of the Arctic Ocean, clearing a path to the North Pole, all white as far as the eye can see. But even here, the impact of climate change can be felt.

Dmitry Lobusov has seen it. For 13 years he has captained the "50 Let Pobedy" ("50 Years of Victory"), part of a growing fleet of icebreakers that Russia is using to assert its power in Arctic waters.

A shipment of nuclear fuel containing highly radioactive plutonium headed to the French port of Cherbourg overnight Tuesday en route to Japan, according to environmental watchdog Greenpeace, which protested the transport.

Before dawn, an AFP photographer spotted the controversial cargo in transit under heavy security, including a convoy of police vehicles and officers on foot, in the northern town of Cherbourg-en-Cotentin. 

Plastic packaging and discarded fishing nets bob in the tranquil waters of the Mediterranean, signs of the choking pollution that has stirred strong feelings at the world conservation congress in the French port city Marseille this week.  

"The Mediterranean is the most beautiful sea in the world... and one of the most polluted," said Danielle Milon, vice-president of the Calanques National Park on the edge of the city, where the International Union for Conservation of Nature is holding its congress. 

President Joe Biden declared climate change has become "everybody's crisis" on Tuesday as he toured neighborhoods flooded by the remnants of Hurricane Ida, warning it's time for America to get serious about the "code red" danger or face ever worse loss of life and property.

Biden spoke after walking streets in New Jersey and then Queens in New York City, meeting people whose homes were destroyed or severely damaged by flooding when Ida barreled through. The storm dumped record amounts of rain onto already saturated ground and was blamed for more than a dozen deaths in the city.

President Joe Biden will survey damage in parts of the northeast that suffered catastrophic flash flooding from the remnants of Hurricane Ida, and use the muddy backdrop to call for federal spending to fortify infrastructure so it can better withstand such powerful storms.

Biden is set to tour Manville, New Jersey, and the New York City borough of Queens on Tuesday.

A coalition of environmental groups on Tuesday called for this year's climate summit to be postponed, arguing that too little has been done to ensure the safety of participants amid the continuing threat from COVID-19.

The Climate Action Network, which includes more than 1,500 organizations in 130 countries, said there is a risk that many government delegates, civil society campaigners and journalists from developing countries may be unable to attend because of travel restrictions. The U.N. climate conference, known as COP26, is scheduled for early November in Glasgow, Scotland.

Shaken by haunting images of surging rivers, flooded roads and subways and other damage caused by the remnants of Hurricane Ida, lawmakers from both parties are vowing to upgrade the nation's aging infrastructure network.

As the deadly storm moved from the Gulf Coast through the Northeast, members of Congress said the deluge offered irrefutable evidence that power lines, roads, bridges and other infrastructure are deteriorating even as storms and other extreme weather are strengthening. At least 50 people from Virginia to Connecticut died as storm water from Ida's remnants cascaded into people's homes and engulfed automobiles, overwhelming urban drainage systems unable to handle so much rain in such a short time.

The lifting of a mandatory evacuation order for South Lake Tahoe's 22,000 residents is a confident milestone in the fight against the Caldor Fire, but it remains only 48% contained and still threatens areas south of the resort town.

Firefighters are confronting aggressive winds and flames in some southeast sections of the Caldor Fire, which could still reach Meyers, a community more than a mile high known as the gateway to Lake Tahoe, and other areas including the Kirkwood ski resort.

How much is a tree worth when its roots are in the ground and its leaves are helping suck carbon from the air? Answer: in most places, far less than the dollar value of its wood. 

The value we put on nature is the subject of a motion at the IUCN World Conservation Congress in Marseille.

The North Platte River in southern Wyoming has been so low in places lately that a toddler could easily wade across and thick mats of olive-green algae grow in the lazy current.

Just over two years ago, workers stacked sandbags to protect homes and fishing cabins from raging brown floodwaters, the highest on record.