"It was in 1992, while on a visit to Ecuador's Amazon region, that I first became interested in becoming a photojournalist," says Clive Grylls.

"Here I was in the midst of one of the world's most bio-diverse areas and all I could see was shriveled trees and unlined, overflowing trenches full of toxins-a by product of Ecuador's fledgling oil industry. Where once this rainforest was full of bird song and inhabited by uncontacted peoples, now the forest was eerily silent and devoid of any life, scared away or poisoned by clanking wells and noxious gas-flares."

Using this as a spur, Clive Grylls has travelled all over the world to produce original and thought provoking, word-and-picture articles on the environment, wildlife, culture and travel.

These have been commissioned and published by some of the UK's and the world's leading newspapers and periodicals, including the Observer, the Independent on Sunday, Geographical, BBC Wildlife and Focus magazines.

"Since I started my career, the population of the world has doubled," says Grylls, "and the strain this has put on the world's resources has meant that some of the places I have visited in the past can no longer support forests or viable populations of wildlife. The market economy and global free trade has put enormous strains on the lifestyles of local communities. It is imperative to document this before their unique cultures disappear."

Commissions have taken him to India, Indonesia, Ecuador, Peru, Bolivia and Southern and Eastern Africa.

Here, he has photographed and written on subjects as diverse as the threats to the cloud forests in Ecuador, getting close-up to India's most venomous snakes or vanishing tigers, or the conservation issues surrounding some of Africa's famous wildlife reserves: the Serengeti and Ngorongoro National Parks in Tanzania, the Masai Mara National Reserve and Nakuru National Parks in Kenya, the Okavango Delta in Botswana, Etosha National Park in Namibia and the Madikwe Game Reserve in South Africa.

"As a photojournalist , my stories challenge misconceptions and try to dispel myths." says Grylls. "For example, why does the Foreign and Commonwealth Office advise against UK nationals from travelling to Kashmir when it's perfectly safe to visit there? Or why do most people think that the homeless living on London's streets people are drug users or drunks when in the majority of cases these people are highly motivated and creative people?"

"The effects of global warming have challenged mankind to work for the first time as a united community," says Grylls. "So there has never been a better time for a photojournalist to go out and show that with forward thinking and planning, conservation and the need for economic growth can work hand-in-hand."

This website allows you to read some of Clive's word and picture articles and to view seven separate galleries containing some of the photographs he has taken from around the world.