City lights shine dimly through a haze that resembles fog.

Air Quality and Other Environmental Factors in South Korea

Thanks to innovations such as natural-gas bus fleets, the designation of greenbelts, and tighter restrictions on factories, South Korea’s air quality has improved, especially in larger cities such as notoriously smoggy Seoul. Read on to learn about the country’s air quality, water quality, sanitation, and more.

The sun sets on Victoria Harbour leaving Hong Kong in silhouette.

A Shifting Shoreline: Hong Kong Land Reclamation

With land prices responsible for much of the Hong Kong government’s pocket money and some of the most densely populated neighborhoods on the planet, it’s not surprising that the government continues to reclaim land.

A green parrot perches on a branch and spreads its wings.

Environmental Issues in Puerto Rico

Puerto Rico’s greatest environmental threats concern its vanishing natural habitat and the resulting impact on soil erosion and wildlife. Reforestation efforts are under way in many of the island’s national parks and forest reserves, and organized efforts are under way to protect and rebuild endangered wildlife populations.

Another adorable West Indian manatee at a Florida sanctuary.

Guatemala’s Punta de Manabique Wildlife Refuge

Now is a great time to explore this area, as it’s clear tourism is still in its infancy. Activities include visits to the mangrove-lined canals of Bahía La Graciosa, Laguna Santa Isabel, and adjacent Canal Inglés for bird-watching and manatee-spotting.

Spiky isote plants grow on a steep hillside on a coffee plantation.

Environmental Issues in Guatemala

Despite conservation efforts, environmental issues can seem daunting at times. Al Argueta discusses deforestation, air quality, open-pit mining, and other issues threatening Guatemala’s natural resources.

The Brazilian flag on a white background.

Taking Sweet, Sustainable Flight

Brazil is a notorious pioneer in the development and use of renewable biofuels. Veteran travel writer Michael Sommers discusses recent efforts to develop a sustainable alternative for airplane fuel.

View of the waterfront with a elegant white footbridge crossing the water and skyscrapers in the background.

Environmental Issues in Argentina

Like other countries, Argentina suffers from environmental degradation. Here are some environmental issues the country is facing, from air and water pollution to deforestation and beyond.