A mountain biker died Saturday after trying to help dehydrated hikers in an eastern San Diego valley, officials said.

Alaska is one of the only places in the world where peony flowers grow in the summer months. But the unusually cold, wet weather this year is delaying the blooms by weeks.

Environment and Climate Change Canada (ECCC) has issued heat warnings for Yellowknife and many communities in the South Slave, Sahtu and Beaufort Delta regions — where day time temperatures near 30 C and overnight lows near 20 C are expected in the coming days. People are urged to seek out air conditioned spaces to seek relief.

Factors like reduced summer precipitation, extreme heat events, and ponderosa pine's superior drought resilience highlight the need to adapt reforestation practices to species more suited to changing environmental conditions.

A 14-year-old boy was found dead along the trail; a 31-year-old male was also found dead at the site of a motor vehicle crash near the trailhead. Last Friday also happened to be the hottest day so far this year in that part of the park. Nearby Rio Grande Village recorded a sweltering 119 degrees — the highest in the park.

The sale of fishing permits has been suspended for two sites where water temperatures have risen to critically high levels, especially for salmon.

Finland is experiencing warm and sunny weather with temperatures ranging between 20 and 25 degrees Celsius, and an advisory for strong ultraviolet radiation has been issued for the south and southwest.

Dry weather and poor feed harvests are to blame for the predicted increase as farmers are deciding to sent their livestock in earlier than planned.

The algae on North Pond began blooming about two weeks ago during a patch of hot weather, making the pond resemble a bowl of pea soup, according to Danielle Wain, lake science director for 7 Lakes Alliance, which works to preserve land and water in the Belgrade Lakes region.

Eight counties on the coast have gone from moderate to severe drought status since last week, according to the latest update from the U.S. Drought Monitor. Meanwhile, almost one-third of the state remains in moderate drought, and wells across the state are beginning to run dry.

Anchorage saw temperatures spike above 60 degrees every day in June for the first time in recorded history. The city also experienced near record low precipitation: Only 1/10 of an inch of rain fell the entire month.

Unidentified spider observed outside of a commercial building.

Temperatures surpassed 30 degrees Celsius across northern Scandinavia on Wednesday and many meteorological stations hit new record high temperatures for June. The thermometer in Saltdal, northern Norway, reached 31.6 degrees C. Further inside the Arctic Circle, at 69 degrees north in Skibotn east of Tromsø, the temperature was 31.7 degrees (89 F).

The fire also comes as the state of Alaska enters its second highest level of fire preparedness, based on the high number of wildfires burning statewide and the possibility for more.

The state has established a fire response hub in Aniak to issue supplies to the surrounding fires.

A record-high temperature set in Winnipeg in 1888 was among 21 previous records that were broken Sunday across the province.

When Kathleen Reed descended for her usual weekly dive off the coast of Nanaimo, B.C., last Saturday she was shocked by how many dead sea cucumbers she saw. Experts and harvesters fear that sea cucumbers are being hit by an illness similar to sea star wasting disease.

NASA scientists flew over Greenland this week, and gazed at a sprawling polar world of melted ice and dark pools of water.

Over the course of a year, the end of the glacier arms of the mighty Hardangerjøkulen has retreated so fast that huge amounts of gravel and stone comb have now appeared.

It's another scorching hot day today and the trend is expected to continue into the first half of the week — and farms are feeling the impact. “When it's this hot, you don't feel like apple picking, says farmer Stephanie Quinn. It doesn't feel like fall, so we're worried that we're going to miss some of those sales later in the season. People are going to show-up in October and it's going to be too late.