Oceans

Explained: COP15's nature-pact goal to protect 30% of Earth

Some activists argue that the ‘30x30’ target is nature's equivalent of the historic 1.5C global warming target set at climate talks under the Paris Agreement. However, delegates negotiating a broad agreement to protect nature are divided on how to pay for ‘30x30’ and how it would be implemented

Explained: How scientists discovered proof of the world’s 6th ocean by examining a diamond

A team of scientists have discovered the proof of the existence of a 6th ocean beneath the Earth's surface, buy studying the composition of a diamond from Botswana.

Lull in shipping activity gives scientists chance to listen to sounds of the ocean

They will capture signals from marine life that use sound and natural sonar to navigate and communicate across the oceans.

World Water Day: 10 pictures illustrating the most polluted waters around the world

Every year, since 1993, 22 March is celebrated as World Water Day to raise awareness on how human actions are negatively affecting water resources.

Baby sharks grow faster but smaller in warming oceans, struggle to survive, study claims

The sharks are growing very fast, but to an ultimately smaller size, which is a problem for survival, say experts.

Union Budget 2021: Science ministries are allocated funds over Rs 15,000 crore

Finance Minister Nirmala Sitharaman in her budget speech said a 'Deep Ocean Mission' will also be launched.

Climate change reference curve spanning 66 mn years made using ocean sediments

The reconstruction and analysis show that Earth's climate can be grouped into discrete states, based on changing greenhouse gas levels and growth of polar ice sheets.

Climate change doubles the number of low-oxygen zones in Danish seas in a year

Increased nutrients in the sea lead to excessive growth of plants, which ultimately leads to less oxygen as the plants die and decompose in a process known as eutrophication.

Green Banana dive to mysterious spot off Florida coast could help shed light on underwater sinkholes

The NOAA-funded mission in August this year will lower a 300 kg lander underwater, for divers to collect water and sediment samples, and carry out a biological survey.

World Ocean Day: Alternative seafood offers twin solution to address food security, planet's health

Are we raking up the intensity of climate change, antimicrobial resistance and future pandemics with the way we're tackling food insecurity, malnutrition, and economic growth?