Spring blossoms, dusty streets, distant fires and a lack of rain combine to create hazardous respiratory conditions.

Salal bushes observed to be very dry and dying in British Columbia.

Pollen from birch trees was carried along with dust from the Sahara Desert on strong winds that originated in Eastern Europe.

the Beaufort Picnic Area appears to consist of stream-origin alluvial cobbles, pebbles, and perhaps sand, and so not well consolidated, thus perhaps making these trees relatively vulnerable to wind. The snapped-off trees, however, indicate the unusually high intensity of this particular windstorm.

A sharp decline in chestnut trees caused by a parasitic fungus in Russia's southern Krasnodar region is threatening the area's honey production, according to local beekeepers and scientists.

The closures of the campgrounds, facing the threat of falling trees, likely will last through summer, the state parks division said.

Warm temperatures are rapidly melting snow and creating ice, which creates difficult conditions for dog mushers. Migratory birds are arriving early, and a mosquito emerged months early. Small owls dead around the Goldstream Valley that looked unusually thin.

Alder catkins (the pollen-rich flowers on alder trees) haven't reached their peak yet, but there are a lot of them. There can be four to five million pollen particles in a single catkin.

Warmer than normal temperatures in Anchorage may be causing willows (genus Salix) to bud early.

Willows budding about a month early 30 miles above the Arctic Circle.

Warm temperatures break 30 year record.

The winter holiday offers 15 degrees (C) of heat and spring flowers.

Dark water formed an eddy around Steve Eisenhauer's boots as they sank into the muck at the base of a 90-foot black gum tree so old, its roots were deep in this ground when the Pilgrims landed.

Large quantities of sargassum are likely to wash up on the beaches of Mexico’s Caribbean coast in 2019, according to a researcher.

Damage assessment underway due to fallen trees, hanging debris

One ecologist wonders, for the yellow cedar forests and the people who care about them, what comes after climate change and environmental loss in Southeast Alaska?

Some species have experienced a much greater decline than average. For the snowflake in Scandinavia there is talk of approx. 35 percent, patchwork 25 percent.

In the frigid waters of the Gulf of Finland, cyanobacteria has been observed for the first time during the winter months.