A global effort to map the genomes of all plants, animals, fungi and other eukaryotic life on Earth is entering a new phase as it moves from pilot projects to full-scale production sequencing. 

Rivers need water — a fact that may seem ridiculously obvious, but in times of increasing water development, drought and climate change, the quantity of natural streamflow that remains in river channels is coming into question, especially in the Colorado River basin. 

Clouds have significant impact on the energy balance of the Earth system.

Officials’ and residents’ perceptions of risk can drive reactions

Human-wildlife conflict is a central issue in the conservation sciences.

Wharton Risk Management and Decision Processes Center director talks about strategies for resilience and recovery.

When snow and ice melt, road salt goes with them, washing into lakes, streams, wetlands and groundwater.

These reports are a compilation of inputs from our own research and the work of many contributors from fishing, coastal and Alaska Native communities, academic institutions, the State of Alaska and other federal agencies.

A study of restored wetlands on the Danish island of Funen reveals that plant species richness remains extremely poor many years after wetlands restoration.

New research shows long-term benefits to species