Teacher’s Corner

Pollination and Food Security in today’s changing environment.

   – Deepa Banerjee

       Pollination is a fundamental ecological process that supports plant reproduction, sustains biodiversity, and plays a critical role in global food production. A substantial proportion of agricultural crops and wild plant species depend on biotic pollination, making pollinators essential components of ecosystem functioning and food security. Animal pollination is directly responsible for roughly 35% of global crop production volume and impacts 75% of the leading types of global food crops, making it an indispensable pillar of global food security. These pollinator-dependent crops—which include fruits, vegetables, nuts, and seeds—provide the vast majority of our essential micronutrients and vitamins. However, in today’s changing environment, the symbiotic relationship between plants and their pollinators is facing unprecedented disruption, threatening the stability and diversity of our food supply.

• The Insect Superstars (Most Common)

• Bees (Both Wild and Managed): Bees are the premier pollinators because they intentionally gather pollen to feed their young. This includes social species like honeybees and bumblebees, alongside crucial solitary wild bees like mason bees, leafcutter bees, and mining bees.
• Butterflies and Moths: Butterflies pollinate during the day, favoring bright, fragrant flowers with wide landing pads. Moths take over the night shift, targeting pale or white flowers that emit strong scents after sunset. Flies and Hoverflies: Hoverflies are incredibly efficient pollinators, often mimicking bees to scare away predators. Flower-visiting flies ar
  • particularly vital in colder climates and high altitudes where bees cannot thrive.
  • Beetles: Beetles were among the very first prehistoric pollinators on Earth. They typically pollinate ancient plant types like magnolias and water lilies by crawling through the flowers.
  • Wasps and Ants: While less efficient than bees because they lack hairy bodies to trap pollen, wasps still pollinate a variety of plants while foraging for nectar to fuel their active flights.
  2. Vertebrate Pollinators (Birds and Mammals)
  • Hummingbirds: In North and South America, hummingbirds are essential for pollinating deep, tubular wildflowers (like fuchsias and columbines). They are drawn to bright red, pink, and orange blossoms.
  • Bats: In tropical and desert climates, nectar-feeding bats are indispensable. They pollinate nocturnal blooms, including the wild ancestors of agave, bananas, and saguaro cacti.
  • Other Mammals: In unique island ecosystems, small mammals like Madagascar’s lemurs, Australia’s honey possums serve as key pollinators when moving between trees.

  What are the biggest dangers facing our native pollinators today? 

  Climate Change and Phenological Mismatch: Rising temperatures and erratic weather alter the biological timing (phenology) of both plants and insects. Flowers may bloom before or after their specific pollinators emerge, causing food shortages for insects and a lack of fertilization for crops. Extreme heatwaves also diminish nectar rewards by altering sugar concentrations.

  •  Invasive Species, Habitat Destruction and Monoculture Farming: The expansion of intensive agriculture replaces diverse natural habitats with vast fields of single crops (monocultures). This removes the diverse floral resources and nesting sites that pollinators need to survive throughout the year. The introduction of non-native decorative plants often chokes out the native wildflowers that local pollinators need. Additionally, massive expanses of green grass lawns act as “food deserts” for bees and butterflies. 
  • Chemical Pesticides and Herbicides: Systemic insecticides, herbicides, and fungicides heavily contaminate agricultural landscapes. Even at sub-lethal doses, these chemicals impair pollinators’ immune systems, navigation, and foraging capabilities. Insecticides (such as neonicotinoids) can alter pollinator behavior, impair their memory, and kill them directly. Meanwhile, weedkillers eliminate the wild plants and flowers that pollinators rely on for basic food. 
  • Habitat Destruction and Fragmentation: The expansion of cities, roadways, and manicured lawns replaces wild spaces. This forces pollinators into tiny, disconnected patches of land, making it difficult for them to find food, mate, or complete migration.
  • Spread of Diseases and Commercial Breeding: The massive commercial breeding and global transport of managed honeybees can cause highly contagious viruses, mites, and parasites to spill over into vulnerable, wild pollinator populations. 
  • Light and Environmental Pollution: Artificial night lighting disrupts nocturnal pollinators like moths and bats, throwing off their navigation, feeding habits, and reproduction cycles. Air pollution also breaks down the scent molecules of flowers, making it much harder for insects to sniff out food.How do we save our pollinators?Transforming your immediate outdoor environment is one of the most effective ways to support declining insect and animal populations. You can make a meaningful difference right at home by focusing on habitat creation, eliminating chemicals, and adjusting basic yard maintenance.
  • Prioritize Native Plants: Native wildflowers, shrubs, and trees have co-evolved with your local pollinators, providing them with the exact nutrition they need.Loss of Indigenous Farming Practices: A shift away from traditional, highly diversified farming toward industrial agriculture (which relies heavily on single-crop fields and heavy chemical use) has completely stripped away natural nesting zones.Plant Continuous Blooms: Choose a variety of plants that bloom across different seasons (spring, summer, and autumn) so pollinators have a reliable food source year-round.Build Layout Clumps: Group the same plant species together in patches rather than scattering them. Large blocks of color make it much easier for foraging bees to spot food from the air.
  • Embrace the “Messy” Yard: Leave patches of bare soil, piles of dead wood, and fallen leaves in undisturbed areas. 
  • Mow Less Frequently: Participate in initiatives like “No Mow May” or simply cut your grass every two to three weeks instead of weekly. This allows low-growing flowers like clover and dandelions to bloom.
  • • Offer Nesting Sites: Install a specialized wild bee house or leave dead, hollow flower stalks standing through the winter to give solitary bees a safe place to lay their eggs.
    • Turn Off Outdoor Lights: Switch off exterior lights at night, or transition to motion-activated fixtures and warm-colored LED bulbs to protect nocturnal pollinators like mothsDitch the Chemicals: Avoid chemical cosmetic pesticides, insecticides, and weedkillers. If you must treat a pest problem, choose organic
    • alternatives or apply them late in the evening when pollinators are not active
    • Create a Pollinator Water Station: Fill a shallow dish or birdbath with clean water, and add partially submerged pebbles or corks. This gives bees and butterflies a safe place to land and drink without the risk of drowning.

Education in the Age of AI – A Message to Students

-Ms Antonetta Fernandes 

Dear Students,

We are living in an exciting age where Artificial Intelligence is becoming a part of our everyday lives. With information available at our fingertips, learning is no longer limited to the pages of a textbook. However, the most important lesson is to use technology wisely without allowing it to think for you.

AI can help you find information, understand difficult concepts and explore new ideas. But your curiosity, imagination, judgement and creativity are uniquely yours. Do not simply accept everything you see or read. Ask questions, check facts, think deeply and form your own opinions.

Education is also about becoming a good human being. Develop kindness, empathy, honesty, respect, responsibility and resilience. Learn to communicate, work with others, solve problems and face challenges with confidence.

Remember, marks may measure your academic progress, but your character, curiosity and ability to think will shape your future.

Use AI as a learning partner, not a shortcut. Read beyond your textbooks, explore the world around you, learn from your mistakes and never lose the joy of discovering something new.

“In the age of AI, don’t just learn answers—learn to ask better questions.”

*When Humanity Takes a Back Seat* – MS Shariya Ansari