Sentences with phrase «human numbers»

The fact remains that the 1990s will see the greatest increase in human numbers of any decade in history.

If that happens, isn't the result an eventual expansion of human numbers and the human imprint?

Soon the increasing human numbers led to the perception that the production of more food was necessary to feed more people.

I wish there were as much scientific agreement on natural resource availability and environmental degradation as there is on human numbers.

Really, it is a choice between human numbers and average per capita consumption.

Some researchers say that this decline should deliver falling human numbers within a few decades, even allowing for demographic momentum.

If human numbers are to fall naturally, the death rate must exceed the birth rate.

A mere 108 years ago, at the beginning of the 20th Century, human numbers worldwide were between 1 and 2 billion.

Until the 1950s the debate about human numbers remained largely academic.

He concludes that access to primary and secondary education is the single most important factor that could improve outcomes in parts of the world where human numbers are exploding or declining.

We're raising awareness of the cost to humanity and other species of unsustainable human numbers and promoting smaller families as part of a sustainable future.

But even while global growth is slowing, there is a large disparity among the growth rates of individual nations, and human numbers overall continue to climb.

People and institutions have simply not adjusted to the sweeping challenge of such explosive growth in human numbers.

Of course, this is not all because of human numbers; it also has to do with how much each of us consumes.

The sustainability benefits of level or falling human numbers are too powerful to ignore for long.

Obviously, if human numbers and per capita consumption continue to increase then that way lies disaster for humans and the planet.

Despite their appeal, such steps are almost meaningless when considering the grand challenge of limiting warming even as human numbers and energy appetites crest in coming decades, an array of climate scientists warn.

With India's population projected to grow from 1.2 billion in 2007 to 1.7 billion in 2050, a collision between rising human numbers and shrinking water supplies seems inevitable.

Have students arrange themselves into a «human number line» from the lowest estimate to the highest one.

The aim of the game is to create a SPANISH human number chain as quickly as possible.

When humans numbered only a few million, our security increased with numbers.

The population chapter ticks off four factors that can stabilize human numbers without heavy - handed policies: the widespread education of girls, the empowerment of women in their families and communities, lowered child mortality and providing women with the capacity to determine the size of their families.

The population chapter ticks off four factors that can stabilize human numbers without heavy - handed policies: Read more...

With all the projections of human numbers by 2050, the most hopeful scenario to me is that various catastrophes act to reduce the population by half or better.

In Europe, total human numbers may actually have declined as glaciers began to cover much of the northern part of the continent and humans retreated farther south.

Escalating death rates or fertility crashes could only curb human numbers in the long term, they say, so reducing the human population won't work as a quick fix for our environmental woes.

Despite the billions on Earth today, humans numbered just thousands in the early years of our species.

«Interestingly, recent archaeological studies suggest that human numbers declined in the Stewart Island region around 1500 AD, a factor which seems to explain why wildlife persisted in this region,» he says.

The aim of the game is to create a FRENCH human number chain as quickly as possible.

With human enemies, in standard human numbers, there was sadistic pleasure to be had from deliberately taking enemies apart piece by piece.

Or we could choose to stay the current «business as usual» course by maximally increasing production and recklessly dissipating limited natural resources, thereby causing human numbers and economic globalization to continuously grow in a patently unsustainable way.

The increasing food supply and increasing absolute human numbers were continuously accelerating in a food - population spiral.

Other data suggest the rapid and continuous increase of human numbers through Century XXI and beyond.

Through well - chosen quotes, and stunning photographs, this largely visual presentation documents the realities and role of burgeoning human numbers on a broad variety of important areas including the destruction of wildlife and natural systems, air and water pollution, food insecurity and climate change.

This has led to the «hockey - stick» swerve of population growth that took human numbers worldwide from under 2 billion in the year 1900 to more than 7 billion today.

Today, the adherents of the mainstream religions typically use modern family planning to limit their family size and accept that limiting human numbers makes sense.

The next step is to work out which creatures are most at risk, and which stretches of land are likely to become unsatisfactory habitat as human numbers grow and demands expand.

Before the Fossil Fuel Age (it started with coal burning around 1700), humans numbered less than one billion for their entire evolutionary existence on this planet.

The first was associated with the invention of toolmaking itself, lasted about a million years, and saw human numbers rise to five million.

Geoengineering has repeatedly been defined as the wrong answer to problems of soaring human numbers and uncontrolled economic growth.

But, as I explained to Gell - Mann then, I don't see better communication, on its own, being remotely sufficient to set the world on a course to shift swiftly from the fuels of convenience — coal and oil — even as human numbers and resource appetites crest.

A recent study, for example, used paintings to investigate evolving eating habits — of interest to Dot Earth because consumption patterns contribute to the challenges facing a world with rising human numbers and appetites.

The continuous economic expansion we see today follows a course established at the dawn of our culture and may be about to reach a point in human history when human numbers and unbridled production could overwhelm the Earth.

The veteran broadcaster said the planet is under «mounting pressure» from an «explosion in human numbers».

Through concerted effort, the world's governments exterminated a virus that for millennia had played an important role in global ecology, serving as a check on human numbers.

Published biannually, The Journal of Population and Sustainability publishes academic and in - depth papers exploring all aspects of the relationship between human numbers and environmental issues.