CESaRE

CESaRE The Journal of Caribbean Environmental Sciences and Renewable Energy

Today is ! 🐸World Frog Day is a day of observance, awareness, and education for the conservation and appreciation of fr...
20/03/2026

Today is ! 🐸

World Frog Day is a day of observance, awareness, and education for the conservation and appreciation of frogs all around the world! ✨💚

The Caribbean is home to numerous vibrant, interesting, and exciting frogs, spanning across the entire region. One such brilliantly-coloured frog is the Phyllomedusa trinitatis from Trinidad (first slide) and the Ameerega trivittata from Suriname (second slide). 💪🐸

Unfortunately, while there are frogs that are in a safe population range, there are some that are endangered, threatened, and vulnerable. Examples of these are the Eleutherodactylus iberia (third slide) which is critically endangered, and the Osteopilus wilderi (last photo) which is vulnerable. ⚠️🐸

It is imperative that frogs are conserved and respected since they are truly a crucial member of healthy ecosystems in the Caribbean. 💚🐸🌳

Featured 📸 (in order of appearance):
Renoir J. Auguste
Björn Donnars .reizen
José Alberto Pérez
Damion Whyte

Eid Mubarak from CESaRE! Wishing you and your loved ones a peaceful, safe and blessed Eid.
20/03/2026

Eid Mubarak from CESaRE! Wishing you and your loved ones a peaceful, safe and blessed Eid.

The Liturgusa trinidadensis ✨When you go out in nature, you may see grass, mossy trees, and lichen-covered rocks. If you...
20/03/2026

The Liturgusa trinidadensis ✨

When you go out in nature, you may see grass, mossy trees, and lichen-covered rocks. If you look even closer, you may be lucky enough to see one of these beautiful mantises among the greens and browns! 🌳

🌿The Liturgusa trinidadensis mantises uses camouflage and a flattening technique to hide from predators. They easily blend into their surroundings with their green and brown colouration. 💚🤎

While this species of mantis only has two obvious adaptations for predator evasion, many other species of mantises use startle or deimatic displays to scare off predators. ❕💡

Featured 📸: Rainer Deo


How do insects protect themselves from predators? 💡🪱🐦‍⬛Animal mimicry occurs when an organism superficially resembles an...
19/03/2026

How do insects protect themselves from predators? 💡🪱🐦‍⬛

Animal mimicry occurs when an organism superficially resembles another organism that are not closed related taxonomically.

🦉This Dark Owl-Butterfly is a fine example of animal mimicry that aids in protection against predators. 🦋

As a form of deceptive camouflage, the patterns on the butterfly's wings resemble the eye and face of an owl, which frightens potential predators! ✨

Featured (in order of appearance)📸:
Rezső Terbe
Allie M.

14/03/2026

Sustainable agriculture is a great way to ensure long-term food security, protecting natural resources, and reducing impact on climate change.

Composting at home is a simple but significant way to participate in sustainable agriculture. But this isn't the only way sustainable agriculture can manifest itself.

Check out our podcast episode on sustainable agriculture!

🔗https://open.spotify.com/episode/4wuspv256sngpREtn99ImM?si=y97iNCq5SRuNEt2hSFM-UA

🌱♻️🌴Your trash could be feeding the soil instead of filling a landfill.In Caribbean households, around 40–60% of waste i...
14/03/2026

🌱♻️🌴Your trash could be feeding the soil instead of filling a landfill.

In Caribbean households, around 40–60% of waste is organic. This includes food scraps, peels, yard waste. When this goes to landfills, it produces methane: a powerful greenhouse gas.

But at home? That same waste can become compost!

🍌 Fruit peels
🥬 Vegetable scraps
🍂 Dry leaves

With simple composting methods (backyard piles, bins, or even small containers), households can:
✔️ Reduce the amount of waste sent to landfills
✔️ Cut down odors and pests in garbage bins
✔️ Improve soil for gardens and trees
✔️ Take real climate action right at home

Composting works especially well in tropical climates. It’s faster, cheaper, and low-tech.

Waste management doesn’t start at the landfill.
It starts in the kitchen.

🌱♻️

Featured 📸 (in order of appearance):
melGreenFR
Denise Nys
Leticia Alvares
Eva Bronzini
Julian Zwengel

EnvironmentalScience CESaRE

🌿🏙️Land is limited, but food needs are not.Across the Caribbean, growing populations, housing expansion, and climate imp...
11/03/2026

🌿🏙️Land is limited, but food needs are not.

Across the Caribbean, growing populations, housing expansion, and climate impacts are reducing the land available for food production. At the household level, how we manage space matters.

Vertical farming—growing food upward instead of outward—allows homes to produce more food using less land, less water, and smarter design.

🪴 Stacked planters and vertical racks
🏠 Wall-mounted or balcony systems
🌱 Tiered gardens and hydroponic towers

When used at home, vertical farming can:
✔️ Maximize food production in small spaces
✔️ Support food security in urban and coastal areas
✔️ Reduce pressure on limited land resources
✔️ Increase resilience to climate and supply disruptions

Sustainable land space management isn’t about expanding into nature.
It’s about using the space we already have more wisely.

When land is limited,
innovation grows upward.
And households grow stronger.
🌱♻️

Featured 📸 (in order of appearance):
Emily Bow Pearce
Nadine Primeau
Sayeed Chowdhury

🌿⚙️ Sustainable food systems can also be built with simple home-scale technology.Hydroponics—growing plants without soil...
10/03/2026

🌿⚙️ Sustainable food systems can also be built with simple home-scale technology.

Hydroponics—growing plants without soil—offers households a way to produce food using less land, less water, and greater control over growing conditions. For Caribbean homes facing limited space, poor soils, or climate stress, this technology matters.

💧 Uses significantly less water than soil-based farming
🏡 Works on patios, balconies, and small yards
🌱 Enables year-round food production
🌍 Reduces pressure on land and ecosystems

At the household level, hydroponics can:
✔️ Improve access to fresh, nutritious food
✔️ Reduce dependence on imported produce
✔️ Increase resilience to droughts and extreme weather
✔️ Support food security in urban and coastal communities

Sustainable technology doesn’t have to be large-scale or expensive.
When applied thoughtfully, home-scale systems like hydroponics become tools for long-term sustainability—not just convenience.

Technology supports nature.
Households strengthen food systems.
Sustainability becomes practical.
🌱♻️

Featured 📸 (in order of appearance):
Gabriella Clare Marino
Mick Haupt

EnvironmentalScience ClimateResilience FutureOfFood CESaRE

🌿What if your kitchen scraps helped strengthen food security starting at home?Home compost is more than a way to manage ...
09/03/2026

🌿What if your kitchen scraps helped strengthen food security starting at home?

Home compost is more than a way to manage waste. When used in backyard and household gardens, it supports sustainable growing practices like crop rotation, cover cropping, and polyculture. These are approaches that build healthy soil and reliable food systems over time.

🔄Crop rotation maintains soil fertility and reduces long-term pest pressure
🌾Cover crops protect soil, improve moisture retention, and reduce erosion
🌱Polyculture increases biodiversity and stabilizes yields

Together with compost, these practices help households:
✔️ Grow food consistently, not just seasonally
✔️ Reduce dependence on imported foods
✔️ Strengthen resilience to climate and supply disruptions
✔️ Support household and community food security

Food security isn’t only about availability—it’s about access, stability, and sustainability.
Small home gardens, cared for wisely, play a quiet but powerful role.

Waste returns to the soil.
Soil sustains food.
Food sustains households.
🌱♻️

Featured 📸 (in order of appearance): Markus Spiske
Thomas Houben
Maciej Karon
Markus Spiske
Greta Hoffman
Robbi F

CircularLiving CESaRE

🦩📈 How the Caribbean Waterbird Census (CWC) Strengthens Conservation 🌍For 16 years, the Caribbean Waterbird Census (CWC)...
16/01/2026

🦩📈 How the Caribbean Waterbird Census (CWC) Strengthens Conservation 🌍

For 16 years, the Caribbean Waterbird Census (CWC) has played a critical role in improving bird conservation across the region. By consistently collecting long-term data, the CWC has helped scientists identify population trends, track species declines and recoveries, and highlight wetlands of regional and international importance.

These data have directly supported protected area designation, informed wetland management plans, and strengthened policy and conservation decision-making throughout the Caribbean. Just as importantly, the CWC has built a strong network of local experts and citizen scientists committed to safeguarding waterbirds and their habitats. 🌿

Long-term monitoring leads to informed action and informed action leads to conservation success. Every count contributes to a healthier future for Caribbean wetlands and the species that depend on them.

👉 Ready to make every bird count? Join the 17th Caribbean Waterbird Census and play a vital role in shaping the future of waterbird conservation across the Caribbean.

Featured: Jerome Foster

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