Geosciences Column

The world of hydrography calls for more hands on deck

Gillian D'Souza June 23, 2023

Credit: Mikhail Varentsov (from imaggeo.egu.eu)

This week on 21st June, governments around the world observed World Hydrography Day to celebrate the role of hydrography in understanding the seas. Though initially thought to be a field limited to the navigation of ships, hydrography is being increasingly recognized for its knowledge contribution to the oceans, seas, coastal areas, lakes and rivers, as well as with predicting their change over ti ...[Read More]

Five resources to up your knowledge of (and appreciate) our oceans

Gillian D'Souza June 9, 2023

Credit: Valerio Acocella (from imaggeo.egu.eu)

Yesterday (8 June) was globally observed as World Oceans Day. The United Nations announced that it is joining forces with decision-makers, indigenous leaders, scientists, private sector executives, civil society, celebrities, and youth activists to put the ocean first. This year’s theme is “Planet Ocean: tides are changing,” to encourage everyone – whether as individuals or groups – to respect the ...[Read More]

Why single solution strategies cannot solve the plastic pollution problem

Gillian D'Souza June 2, 2023

Credit: David Jones (from imaggeo.egu.eu)

It appears that plastics have well and truly invaded even our most inaccessible environments: the deepest point in the ocean (the Mariana trench) and the highest mountain peak in the world (Mt. Everest) both contain pieces of plastic from human activities miles away. With plastic waste flowing into aquatic ecosystems expected to nearly triple by 2040, it is safe to say that nature is in “emergency ...[Read More]

When nature isn’t “natural”: Reflections on World Wetlands Day

Simon Clark February 2, 2023

Credit: Ragnar Sigurdsson (distributed via imaggeo.egu.eu)

In 1821, peat cutters discovered a body similar to a mummy, pinned down by two wooden stakes deep in the mud. The body’s face still held red hair and a beard, their teeth were well preserved, and a hoop of willow was wrapped around their throat. But this wasn’t the dry, hot climate of Egypt but a cold and rain-sodden bog of Ireland. Later assessment suggested that these were the remain ...[Read More]