As metropolises balloon with growth and sprawl widens the footprint of cities around the world, access to nature for people living in urban areas is becoming harder to find.

Researchers found that African dust has affected local air quality in South Texas in summer and early autumn.

The application of traditional metrics in temporary rivers can lead to mistakes in the evaluation process of the biological quality, the authors warn.

Caves are easily forgotten when fire rips through the bush, but despite their robustness the long-term impact of frequent, unprecedented fire seasons presents a new challenge for subsurface geology.

Many microalgal species inhabit freshwater ecosystems, however the green microalgae Raphidocelis subcapitata is one of the most used in so-called bioassays.

As crop production plans are adapting to the declining water levels in the Ogallala Aquifer, cotton is playing an increasingly important role in water conservation.

An explanation is proposed for extra heat coming through the oceans.

An unprecedented outbreak of large, intense fires stretched from the mid-north coast of New South Wales into central Queensland.

The desert locust has ravaged the Horn of Africa and Southwest Asia, posing serious threats on agricultural production and food security of the inflicted regions.

The 2014 Carlton Complex wildfire in north central Washington was the largest contiguous fire in state history.