In the earliest days of human flight, before the invention of the first radio beacons and ground-based electronic systems, and modern GPS, pilots commonly navigated by following roads and railways – striking linear landscape elements at ground level that guide towards a destination of interest.
articles
A Mixture of Trees Purifies Urban Air Best
Conifers are generally better than broadleaved trees at purifying air from pollutants.
An Internal Thermometer Tells the Seeds When to Germinate
A UNIGE team has discovered the mechanisms by which the seed decides to remain in «hibernation» or to trigger its germination depending on the outside temperature.
Countries Reach Deal to Protect Marine Life in International Waters
UN member states have forged a landmark deal to guard ocean life, charting a path to create new protected areas in international waters.
Methodology for Mobile Toxics Deterministic Human Health Risk Assessment and Case Study
Air toxic emissions from on-road mobile sources are significant contributors to the degradation of air quality in urban and dense population centers. Research led by the United States Environmental Protection Agency (EPA) identified more than 1162 hazardous air pollutants (HAPs) in the exhaust and evaporative emissions from on-road mobile sources.
Pioneering Study Shows Flood Risks Can Still Be Considerably Reduced if All Global Promises to Cut Carbon Emissions Are Kept
Annual damage caused by flooding in the UK could increase by more than a fifth over the next century due to climate change unless all international pledges to reduce carbon emissions are met, according to new research.