Marlene Cimons/Nexus Media News

Authorities must stay vigilant against malicious claims in times of crisis.

By diving into archives, scientists confirmed that floes are melting faster than ever before.

They make our white sand beaches beautiful, but our actions are poised to wipe them out.

Elephants and tamarins nurture trees that soak up planet-warming carbon pollution.

Rotor sails, bubble pumps, battery-powered jets and next-generation fuel cells.

Invasive plants may seize the opportunity to take root.

Trees that have survived for millennia could perish by century’s end.