Enric Sala: Now or never in the race to save our natural world

Natural systems are not just critical to the survival of the nine million plant and animal species with which we share this planet. They are also key to humanity’s own future, writes Enric Sala

Although the task is daunting, protecting 30% of land and water by 2030 is eminently achievable. Research already shows the 30% goal is attainable using existing technologies, provided that there are shifts in policy.