Canadian wildfire smoke impacts 109 million Americans while climate change intensifies extreme weather patterns including flash floods and heat stress, as California prepares for unprecedented shark activity.

Canadian wildfire smoke from Ontario continues to shroud the US Midwest, Mid-Atlantic, and Northeast, affecting air quality for 109 million people as blazes persist across the region.

Climate change is driving increasingly severe rainfall events across the US, with states experiencing record precipitation and deadly flash floods as extreme weather becomes more frequent and intense.

California prepares for its sharkiest summer in a decade as young great white sharks return in large numbers due to warming waters, though experts reassure that human attacks remain rare.

Access to air conditioning is becoming a critical climate equity issue, with the ability to survive extreme heat increasingly dependent on resources and infrastructure availability between nations.

Google-backed satellite technology for wildfire detection has launched amid ongoing smoke crisis, providing enhanced monitoring capabilities as Canadian and US wildfires continue to impact air quality across North America.

A federal trial is examining potential connections between oil giant Exxon and hackers targeting climate activists, as investigators seek to determine who funded alleged hacking campaigns against critics.

UK government's poultry sector growth plan faces criticism from campaigners who warn it poses national security risks due to heavy reliance on imported animal feed vulnerable to supply chain disruptions.

FIFA's World Cup organization lacks comprehensive climate change protocols, leaving the tournament vulnerable to challenges from extreme heat, humidity, and potential wildfire smoke impacts.

El Niño climate phenomenon is heating waters off Mexico, contributing to marine ecosystem changes including increased shark migration patterns along the California coast.