Tribal people are often potrayed as underdeveloped. But history actually shows something else. For the past few months, an uneasy calm is prevailing over the lives of Huaoranis—an Ecuadorian tribe living in the deep and dark forests of Amazon. Recently, they spot some outsiders in the forest. Not only that, the other day they saw a big bird with a deafening sound hovering over their village. This big bird was in fact a helicopter, which for us is as familiar as birds flying in the vast, blue sky. But for the Huaoranis, it only meant one thing...

World Health Organization has issued a strong warning about the effects of air pollution on children. On October 29, 2018, it released a report called Air Pollution and Child Health. It states that in 2016, 600,000 children died from acute lower respiratory infections caused by polluted air. What is worse is that 93% of the world's children under the age of 15 (1.8 billion) are exposed to high levels of PM 2.5 which are superfine air pollutants. Worst are those living in developing countries where 98 per cent of all children are exposed to very unhealthy air. 

Water storage vessels like bottles, drums and pots should be cleaned and kept covered...

Use mosquito nets. Don't wear clothes that expose your hands and legs and use a mosquito repellent cream.

Sattu is a powder made by grinding a mixture of roasted pulses, mainly chickpeas and cereals. It is rich in protein and leaves one satiated for a long time. Apart from the laddu, a refreshing summer drink is made out of sattu, which helps us in bearing high temperatures and keeps our stomach healthy. It is also ideal for people suffering from peptic ulcer and can also fight diabetes.

Monsoons are here and as the rain pours tip tap, wouldn't it be nice to read a book or watch a favourite show while munching something fresh and tasty? Here is a corn salad recipe that is quick to make and is full of nutrients.

Corn is a rich source of calories and is a staple among many populations. The calorie content of corn is 342 per 100 grams, which is among the highest in cereals. Calories are important for healthy metabolism. Corn is a rich source of vitamin A, vitamin B, vitamin E, and several minerals. Its high fibre content helps in the prevention of digestive ailments such as constipation.

It is said that when the British Governer General Warren Hastings brought the water hyacinth to India in the 18th century, thinking it was a flower, he couldn't have imagined that was actually a deadly weed. 

Ramdana are the seeds of chaulai or amaranth. These seeds are a good source of calcium, protein, and amino acids and are rich in iron, magnesium, and vitamin A, B, and C. Ramdana is an integral part of Hindu fasting diet. Here, is a summer recipe which is both nutritious and healthy.

In the guise of development, what allows us to be callous with earth's resources? A study conducted by Indian Institute of Soil Science shows that majority of the soil in India is deficient in secondary nutrients, such as sulphur, and micronutrients, such as zinc, boron, iron, copper and manganese. The question then is how nutritious can our food be if it is grown on malnourished land? Many other villages are suffering, like Jaduguda and Kolaghat, because the polluter does not take the responsibility of the waste, burdening locals with unseen consequences...

D Suresh lives in Kilpauk in Chennai in his green and sustainable home. An IIT and IIM graduate, 71 year old Suresh has managed to set up a rooftop solar plant, biogas plant, rainwater harvesting, rooftop kitchen garden and a bamboo forest in front of his house. Solar Suresh as people call him today is the face of sustainable living in the new Urban India. Watch to know more! 

Did food shape our history or history shape our diet? What role does climate play in the way we eat today? How did our food habits shape up? Read on to find out.

Kuku jumps from her bed the moment the doorbell rings. Today is her birthday and she is excitedly waiting to meet her friends in the evening. She opens the door and sees a delivery man carrying a big backpack. He smiles at Kuku and hands her a package. Kuku looks at it and screams, “Ma! Nanaji’s gift has arrived!”

These are some easy steps to detect adulteration in milk that can be done at home.

This video describes how to detect adulteration with water, starch, and detergent. The steps are prescribed by the Food Safety and Standards Authority of India (FSSAI).

Down To Earth travels to the desert state of Rajasthan to find out about the traditional food habits of the people in one of the driest regions of the country. We discovered that so many things grow in the wild and traditional knowledge of these will ensure that you have plenty to eat in the harsh desert environment. But is this traditional knowledge losing its ground slowly?.

Down to Earth is Science and Environment fortnightly published by the Society for Environmental Communication, New Delhi...