Planting Billions of Trees Turned Barren Desert into a Carbon Sink That Lowers CO2

A mixed-species section of the Green Great Wall – Credit: 中国新闻网 CC 3.0. BY

China’s multi-decade long, successful effort to plant a ring of trees around one of the world’s most hostile deserts has sprouted an unexpected benefit to humanity.

Along with protecting the nation’s grasslands and agriculture from the spreading sands of the dismal Taklamakan Desert, the giant ring of trees has turned previous unproductive land into a carbon sink that draws CO2 out of the atmosphere.

It’s thought, and some isolated research has indeed demonstrated, that humans can prevent the worst effects of a rise in average global temperatures by planting trees to absorb more CO2 from the atmosphere.

This strategy has limits, however, when viewed on a global scale. Atmospheric CO2 levels continue to rise, while there is a limit in the amount of land that can be turned over to forests.

One-third of our planet is covered in deserts, where vegetation is sparse or absent, and rainfall is scarce, yet despite their vast acreage they collectively hold less than one-tenth of the world’s carbon stock, or the amount of carbon that is held underground.

A study conducted by NASA and California Technical Institute (Caltech) has used satellite data to demonstrate that the “sea of death” as the Taklamakan Desert was called in antiquity, could be utilized to store carbon and reduce the greenhouse effect.

The Taklamakan Desert. Credit: NASA World Wind 1.4.

Starting in 1978, China’s Three-North Shelter Belt program aimed to plant trees along the borders of the great Taklamakan to stop sandstorms from ruining adjacent pasture and agriculture land. As the world’s single farthest point from any ocean, the Taklamakan is one of the driest and most hostile landscapes on our planet.

The massive Himalayas rise to the south and east, the Pamirs to the southwest, and a pair of mountains known as the Tian Shan and the Altai to the west, leaving landscape completely isolated from moisture.

66 billion trees have been planted by estimates since the start of the Shelter Belt program, which finished in 2024. Monikered the “Green Great Wall,” this incredible increase in greenery has raised average rainfall by several millimeters, resulting in a natural growth of foliage during the wet season that boosts photosynthesis along the tree line, leading to greater degrees of sequestration.

“We found, for the first time, that human-led intervention can effectively enhance carbon sequestration in even the most extreme arid landscapes, demonstrating the potential to transform a desert into a carbon sink and halt desertification,” study co-author Yuk Yung, a professor of planetary science at Caltech and a senior research scientist in NASA’s Jet Propulsion Laboratory, told Live Science in an email.

By precise numbers, it has reduced the average carbon content in the desert air from 416 parts per million to 413 ppm. Parts per million is used as a measurement for the greenhouse effect. Worldwide, the number is 429.3. It was 350 in before the advent of industrialization.If more shelter belt-style tree planting efforts could be used to reclaim desert landscapes, it could open vast areas to absorbing carbon. With little to no vegetation, deserts in their natural state have precious little ability to do so. Planting Billions of Trees Turned Barren Desert into a Carbon Sink That Lowers CO2

Read More........→March 03, 2026

The Singing Frogs of Northeast India: Nature's Hidden Melodists

Photographer: Alen Alex

Debolina Banerjee

Northeast India is home to some of the world's most unique and rare species because it has so many different kinds of plants and animals. The Singing Frogs are one of the most interesting and least-studied of all the wonders. They are a group of amphibians known for their melodic voices and complex ways of communicating. These frogs sing in different rhythms than their more common relatives. Some even make sounds that sound like bird song or insect chirps. All other frogs croak.

A Symphony in the Rain

Indeed, it is in the dense forests and hilly landscapes of the Northeast that these musical frogs find their ideal haven. In the forests of Arunachal Pradesh, Assam, and Meghalaya, there are many types of music frogs. Some of them are new to science, like the rare Jerdon's Tree Frog (Hyla annectans) and the Bamboo Tree Frog (Chirixalus doriae).

During the monsoon, they make a magical symphony that echoes through the forest, like an orchestra made of living things. Male frogs use their calls to mark their territory, attract females, and even warn other frogs about possible dangers. In a loud mix of sounds, each species uses its own call to find other members of its own species.

The Exceptional Case of the Assam Painted Frog

The Assam Painted Frog (Uperodon taprobanicus) is one of the most unusual amphibians in the area because of its bright colours and strange mating calls. This frog makes a common mating call by whistling like a flute instead of making the low throat noises that most other frogs do. The calls are said to sound like insects to scare off predators without giving away their location, which leaves the door open for potential mates.

The Assam Painted Frog lays its eggs in tree hollows or leaf litter pools that are hard to find, while many other frogs lay their eggs in open water. This change makes it more likely that the tadpoles will live and less likely that they will be eaten, which is a very important strategy in forests with a lot of predators.

Unusual Communication: Clicking, Trilling, and Whistling

What sets them apart is the variety in the call structure of these frogs. Most amphibians use simple croaks, while these singing frogs of Northeast India came up with unique vocal strategies:

• Clicking Calls: In some species, such as the Bamboo Tree Frog, crisp clicking sounds, almost like snapping fingers, are emitted. Very frequently these are used consecutively to signal dominance.

•Trilling Songs: Frogs, like the Jerdon's Tree Frog, are known to utter trilling long notes, much like a cricket. These kinds of sounds travel further through thick forests and serve their purpose in communication.

•Whistle-like Tunes: Frogs, like the Assam Painted Frog, are known to produce melodious whistles. This may be an evolutionary trait for communication so as not to invite snakes or even birds.

The Challenges of Conservation

Even with such interesting adaptations, these special frogs are confronted with serious threats. Very few of these are currently threatened due to habitat loss caused by deforestation, agriculture, and lately, by climate change. Further, pollution and an increasing proliferation of fungal diseases such as chytridiomycosis, which has already caused widespread death in frog species throughout the world, may threaten many of these species.

Conservationists are trying to document and preserve these threatened amphibians before they actually disappear. Community education, wetland conservation, and habitat conservation programs are being initiated throughout the region. Scientists say that long-term observation of these species will be necessary to understand their ecological functions and ensure their survival.

A Hidden Treasure of Nature

The singing frogs of northeastern India remind us of nature's wonders. Complex calls, intriguing habits, and intriguing adaptations further highlight the complexity of life in one of the most biodiverse parts of the world. Save these natural songsters, primarily to maintain the delicate balance of ecosystems that depend on frogs.

The next time any of us find ourselves in the rainforests of Meghalaya, Assam, or Arunachal Pradesh, let's stop and listen. Their song is a nature reminder of a beauty that persists and deserves to be sought out and protected.

The writer is a zealous environmentalist and emerging conservationist with six years of experience working in the fields of Environmental Science, Wildlife Conservation, and Sustainable Management. Committed to promoting balance between individuals and the environment through evidentiary research, fieldwork, and activism.

Photographer: Alen Alex 

The Singing Frogs of Northeast India: Nature's Hidden Melodists | MorungExpress | morungexpress.com

Read More........→January 02, 2026