And If That Bird Don’t Sing . . .

The complexity of bird songs reflects
a population’s health

Scents of Direction

Air pollution blocks pollinators
from finding flowers

Freezing to Flaming

Climate change may spark more tundra fires

Branching Out

Artificial trees could help offset carbon emissions

Living on Acid

Some plankton could thrive as oceans acidify

Water Footprint Calculator

Tabulating the water impact of
everything from tea to T-shirts

Flush Often

Ballast-free cargo ship could slow the spread of
invasive species

Whale Watching with a Joystick

Military-style drones keep tabs
on humpbacks in Australia